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a
Case Study: Janet Riley VS PC
History
Choose a person to ask:
@ patient {J Janet's daughter
Questions you ask now (after evaluation) don't affect your score.
Q
History
Choose a category:
Interview Opening
> HPI: Constitutional Complaints
} HPI: Other Complaints (A - H)
} HPI: Other Complaints (I - Z)
> HPI: Pain Complaints (A - H)
> HPI: Pain Complaints (1 -Z)
} HPI: Psychological Complaints
> HPI: Sensation & Movement
Complaints
> Past Medical History (PMH)
Family Medical History (FH)
> Social Hx (SH)
Physical Exam Assessment
Janet Riley
79 ylo
5'7" (170 cm)
110.0 Ib (50.0 kg)
Chief complaint
Confusion and memory loss reported by family member
Revie
Submitted on 10/12/2020 08:17:15
Case authored by: Alison Reminick, MD
Tests Diagnosis Plan Summary Xf
Or, ask a question. Complete questions work best.
§
How can | help you today?
What has been happening since your last visit?
Do you have any other symptoms or concems we should discuss?
Do you have pain anywhere? If so, where?
What symptom is the most distressing for you?
Has anyone else you know developed these symptoms?
Tell me how that makes you feel
How does this affect your life?
What is your name?
Where are you?
What time is it?
NR-601 Week 6 Janet Riley I Human Case Study
History
HPI: Confusion
HPI: Cough
HPI: Coughing up blood
(hemoptysis)
HPI: Diarrhea
HPI:
Dizziness
HPI:
Ears - hearing loss
HPI:
Ears - tinnitus
HPI:
Erectile dysfunction
HPI:
Eye problems
HPI:
Headache
HPI:
High blood pressure
HPI:
Low blood pressure
> HPI: Other Complaints (I - Z)
HPI: Low blood pressure
> HPI: Other Complaints (I - Z)
HPI:
HPI:
HPI:
HPI:
HPI:
HPI:
HPI:
Memory loss
Menstrual irregularities
Nausea and/or vomiting
Nose complaints
Palpitations
Pediatric development
Skin/Rashes
HPI: Sleep
HPI:
HPI:
Sore throat
Swallowing problems
(dysphagia)
HPI:
HPI:
HPI:
Urinary incontinence
Urination difficulty
Urination - blood
(hematuria)
Do you feel confused at times?
Can you describe the nature of the confusion or the types of memory loss?
When did your confusion start?
What are the events surrounding the start of your confusion?
Does anything make your confusion better or worse?
Do you have any other symptoms associated with your confusion?
How severe is your confusion?
Have you had confusion like this before?
Has there been any change in your confusion over time?
Does your confusion come and go?
How often do you feel confused?
Is there any pattern to when your confusion occurs?
Does anyone in your family have similar problems with confusion?
What treatments have you had for your confusion?
u
Do you have a problem remembering things?
Can you describe the nature of the confusion or the types of memory loss?
Do you feel that you have more memory problems than others?
When did your memory problems start?
What are the events surrounding the start of your memory problems?
Does anything make your problem with memory loss better or worse?
Do you have any other symptoms associated with your memory loss problem?
How severe are your memory problems?
Have you had memory problems before?
Has there been any change in your memory problems over time?
Do your memory problems come and go?
How often do you have memory problems?
NR-601 Week 6 Janet Riley I Human Case Study
® All Questions Asked
‘You asked 99 questions
v¥ suggested by case author as required
+ never inappropriate
- not required by case author
x inappropriate
Result Question
¥ | How can | help her today? (witness)
v What is your name? (patient)
wv Where are you? (patient)
+ | How old are you? (patient)
+ | Can you tell me about any current or past medical problems you have had? (patient)
- Does she have any allergies? (witness)
- Are her immunizations up to date? (witness)
+ ‘Can you tell me about any current or past medical problems she has had? (witness)
- How is her overall health? (witness)
v Is she taking any over-the-counter or herbal medications? (witness)
+ Is she taking any prescription medications? (witness)
+ Is she taking any medications for her symptoms? (witness)
- | Is she taking any medications that were prescribed by a different health care provider? (witness)
- Does she use any recreational drugs? If so, what? (witness)
¥ Does she have any other symptoms or concerns we should discuss? (witness)
- What does she think might be causing her symptoms? (witness)
- Does she have any symptoms that occur at the same time as her headache? (witness)
+ What symptom is the most distressing for her? (witness)
- What does she think might be causing her symptoms? (witness)
Has she had any significant traumatic injuries or accidents? (witness)
Does she have any other symptoms or concerns we should discuss? (witness)
- Has anyone else she knows developed these symptoms? (witness)
- How long do her periods last? (witness)
+ Does she have pain anywhere? If so, where? (witness)
- Does she have any other symptoms associated with her fatique/tiredness? (witness)
- Does she have any pain or other symptoms associated with her walking problems? (witness)
- When and what did she last eat? (witness)
- When and what did she last drink? (witness)
NR- 601 Week 6 Janet Riley I Human Case Study
Has she been eating anything out of the ordinary lately? (witness)
Can you tell me about her diet? What does she normally eat? (witness)
Does she now or has she ever smoked or chewed tobacco? (witness)
Is she exposed to secondhand smoke? (witness)
Does she use any recreational drugs? If so, what? (witness)
Does she have problems with nausea, vomiting, constipation, diarrhea, coffee grounds in her vomit, dark tarry stool, bright red blood in
her bowel movements, early satiety, or bloating? (witness)
Does she have a problem with depression? (witness)
Has she been feeling sad, depressed or hopeless? If so, how often does she feel this way? (witness)
Has she lost interest in things that used to give her pleasure? If so, how offen does she feel this way? (witness)
Does she have problems with dizziness, fainting, spinning room, seizures, weakness, numbness, tingling, or tremor? (witness)
What treatments has she had for her depression problem? (witness)
Does she have any other symptoms associated with her depression? (witness)
Any previous medical, surgical or dental procedures? (witness)
What does she think might be causing her symptoms? (witness)
Does she have a tremor? (witness)
When did her memory problems start? (witness)
What are the events surrounding the start of her memory problems? (witness)
How severe are her memory problems? (witness)
Can she describe the nature of the confusion or the types of memory loss? (witness)
Do her memory problems come and go? (witness)
What treatments has she had for her memory problems? (witness)
Has she had memory problems before? (witness)
How is her overall health? (witness)
When did her memory problems start? (witness)
What are the events surrounding the start of her memory problems? (witness)
How severe are her memory problems? (witness)
Do her memory problems come and go? (witness)
What do you think might be causing your symptoms? (patient)
What does she think might be causing her symptoms? (witness)
What symptom is the most distressing for her? (witness)
Does she have any other symptoms or concerns we should discuss? (witness)
Does she have any other symptoms associated with her fatique/tiredness? (witness)
Does she have any symptoms that occur at the same time as her headache? (witness)
Has she lost weight? (witness)
Has she gained or lost weight unintentionally, despite normal appetite and exercise? (witness)
NR- 601 Week 6 Janet Riley I Human Case Study
Has she had weight loss problems like this before? (witness)
¥ Does she have any problems with fatique, difficulty sleeping, unintentional weight loss or gain, fevers, or night sweats? (witness)
- What are the events surrounding the start of her problem with weight loss? (witness)
- Is she having any trouble hearing? (witness)
- Does she hear or see things that others say they do not? (witness)
- Is she having any trouble hearing? (witness)
- Does she hear or see things that others say they do not? (witness)
- Does she have any pi
in her leg(s)? (witness)
What does the pain/discomfort in her chest feel like? (squeezing, pressure, crushing. buming, stabbing, aching, tingling. suffocating,
tingling) (witness)
- Does she have black tar-like or foul smelling stools? (witness)
Does she have problems with muscle or joint pain, redness, swelling, muscle cramps, joint stiffness, joint swelling or redness, back pain,
neck or shoulder pain, or hip pain? (witness)
+ Does she have pain anywhere? If so, where? (witness)
- | Does she think about or feel like hurting others? (witness)
- | Has she had any thoughts of hurting or killing herself? (witness)
- | Does she often fee! nelpless? (witness)
- | Has she been feeling sad, depressed or hopeless? If so, how offen does she feel this way? (witness)
V | Does she have trouble with reasoning, planning, or organizing? (witness)
- Is she having trouble concentrating or making decisions well? If so, how often? (witness)
Vv | Does she sometimes have trouble remembering things or finding the right names or words? (witness)
- | Does she have any difficulty performing activities of daily living? (witness)
v Does she have any other symptoms or concerns we should discuss? (witness)
- Does she have any problems writing? (witness)
- Does she feel that she has more memory problems than others? (witness)
- Any problem moving her mouth? (witness)
- Does she have any pain or difficulty speaking? (witness)
- Is she moving or speaking slowly or fidgeting and restless? If so, how often? (witness)
- Has she noticed any trouble with her speech? (witness)
- Does she ever hear speech but cannot understand it? (witness)
- | Tell me about her leisure activities. (witness)
- | Has she lost interest in or avoided social activities? (witness)
- | Does she prefer to stay at home, rather than going out and doing things? (witness)
- Has she had any more stress in her life lately? (witness)
- Has her level of activity recently changed? (witness)
- Tell me about her work. (witness)
NR-601 Week 6 Janet Riley I Human Case Study
Neck: palpate neck
Hyperthyroidism can impact cognitive function. A normal sized gland without nodules diminishes the risk of hyperthyroidism.
o
Abdomen: palpate abdomen
Abdominal palpation in an older individual that has unintentional weight loss is important. During this procedure you should be looking for organ size (liver
and spleen), masses, tenderness, and aortic diameter.
2
Genitourinary: genitourinary female exam
In older individuals this exam provides insight into urinary continence and general hygiene.
N
Extremities: visual inspection extremities
Extremity evaluation is a way to look for systemic hypoxia that could contribute to cognitive problems.
0
Musculoskeletal: test range of motion
AMSK exam is always an important safety evaluation in older individuals especially if they have reported a previous fall
©
Neurological: assess cranial nerves
© The cranial-nerve exam may identify important abnormalities that can help in differentiating between brainstem and cortical dysfunction
© Ofnote: "Because the primary olfactory structures adhere to the ventral frontal lobes and connect to limbic circuits, which involve ventromedial frontal
cortex, olfactory perception is often considered a frontal lobe sign [italics added] ..f olfactory acuity is intact (no anosmia), poor olfactory differential
identification suggests current or developing Alzheimer's dementia. If olfactory acuity and identification are both intact, depressive pseudodementia or
vascular dementia are more likely than Alzheimer's disease.”
See: Sanders RD, Gillig PM. Cranial Nerve |: Olfaction. Psychiatry (Edgmont). 2009;6(7):30-35
10. Neurological: reflexes - deep tendon
°
Reflex testing assesses the function and interplay of corresponding sensory and motor pathways
Intact DTRs indicate the integrity of cutaneous (sensory) innervation, motor pathways, and corticospinal integration at the corresponding spinal
segment.
Of special note: the palmar grasp, rooting, and glabellar reflexes are primitive CNS responses not seen in the neurologically intact adult. These
reflexes may be present in various neurologic disorders, including some dementia variants, Parkinson's disease, and head trauma
°
°
11. Neurological: mini-mental state exam (MMSE)
Aull mental status exam is required to assess cognitive functioning and degree of impairment (click here for reference)
© AMMSE score between 20 and 26 is associated with mild functional dependency, such as managing finances other instrumental activities of daily
living (IADLs)
© Moderate impairment (MMSE score between 10 and 20) is associated with more immediate dependency, such as personal care and shopping. gjiy
NR-601 Week 6 Janet Riley I Human Case Study
© Severe impairment (MMSE score less than 10) correlates with a state of total dependence and the need for constant supervision. Motor
impairments, notably gait and balance impairment, incontinence, and myoclonus, develop at this late stage, and presage total debilitation
The 15-point geriatric depression scale (GDS) is a practical screening instrument, especially in the setting of mild to moderate neurocognitive disorder with
limited attention span
© The GDS has 92% sensitivity and 89% specificity, when assessed against prevailing diagnostic criteria
© Ascore of five or greater is suggestive of depression. (click here for reference]
Mini-Cog should be performed (click here for reference)
Clock-draw test is another assessment tool (click here for reference)
12. Musculoskeletal: inspect for muscle bulk and tone
Muscle tone is assessed by passive movement of the patient's limbs:
© Hypertonia (spasticity, rigidity) is seen with upper motor neuron lesions (e.g., stroke, cerebral palsy, parkinsonism)
© Hypotonia (decreased tone) and atonia (loss of tone) are seen with lower motor neuron lesions: genetic (e.g., muscular dystrophy); infectious (e.9.,
Guillain-Barre syndrome); autoimmune (e.g., myasthenia gravis); and, traumatic injuries
© Loss of muscle tone, coordination, and strength (Lucianis triad) suggests cerebellar dysfunction
NR-601 Week 6 Janet Riley I Human Case Study
13. Neurological: assess gait & stance
Gait abnormalities often precede neurocognitive disorders of any type (Verghese et al., 2002). Elements of the exam should include the following
Stance
Posture
Natural gait (free walking)
Heel and toe walking
Tandem walking
Ability to dual task while walking
©0000 0
For a precise review of gait abnormalities, see: Examination for cerebellar dysfunction. In: DeMyer’s The Neurologic Examination. 6th ed. New York, NY:
McGraw-Hill; 2011
14. Neurological: reflexes - plantar/Babinski (L5/S1)
© Reflex testing assesses the function and interplay of corresponding sensory and motor pathways.
© Dorsifiexion of the great toe with fanning out of the other toes, in response to stroking of the sole of the foot from the heel along the anatomical curve
to the metatarsal pads (positive Babinski sign), can indicate an upper motor neuron (UMN) lesion
© Apositive Babinski sign may be seen in the following neurocognitive disorders variants: frontotemporal-lobe dementia; HIV dementia; and, other
non-Alzheimer's dementias
15. Neck: ask patient to swallow
Thyroid glands can be substernal. Thus evaluating the thyroid gland with swallowing helps elucidate this location of the gland wz
XIncorrect
You performed 22 exams not required by expert.
1. HEENT. examine pupils
2. Skin, Hair, Nails: test capillary refill - fingers
3. Skin, Hair, Nails: test capillary refill - toes
4. HEENT: inspect/palpate scalp
5. Skin, Hair, Nails: Quincke's test
6. HEENT: inspect/palpate head
7. HEENT: inspect eyes
8. HEENT: look in eyes with ophthalmoscope
9. HEENT: inspect ears
10. HEENT: look in ears with otoscope
11. HEENT: inspect nose
12. HEENT: look up nostrils
13. HEENT: smell breath
14. Lymphatic: palpate all lymph nodes
15. Chest Wall & Lungs: visual inspection - anterior & posterior chest
16. Chest Wall & Lungs: palpate - anterior & posterior chest
17. Chest Wall & Lungs: percuss - anterior & posterior chest
18. Abdomen: auscultate fetal heart ae
NR-601 Week 6 Janet Riley I Human Case Study
Key
Findings
write
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Differential
Diagnoses
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Tests
Key
Findings
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Expert's Problem Statement
Janet Riley is a 79-year-old widow with hypertension and
coronary artery disease who, according to her adult daughter,
has, over the last year, developed progressive cognitive and
memory deficits, emotional lability and behavior changes. The
daughter also notes a change in her mother’s personality
(more argumentative and difficult), deteriorating personal
hygiene, and an inability to meet some of her ADLs (activities
of daily living)
Expert's Problem Statement
Janet Riley is a 79-year-old widow with hypertension and
coronary artery disease who, according to her adult daughter,
has, over the last year, developed progressive cognitive and
memory deficits, emotional lability and behavior changes. The
daughter also notes a change in her mother’s personality
(more argumentative and difficult), deteriorating personal
hygiene, and an inability to meet some of her ADLs (activities
of daily living)
Comparison to Expert
@ Correct ® Missing X Incorrect
Yours Graded Choice
oO
Oo
oO
Cardiovascular
® | Endocrine
X | Gastrointestinal
Integumentary
x Musculoskeletal
@ Neurological
iG ® | Genitourinary/Renal
to Respiratory
Tr Hematologic
Ei Lymphatic
oOo @ Immune
@ = Psychologic a
oOo Sexual/Reproductive
Feedback
Altered mental status and confusion can result from
conditions involving a variety of body systems, so you need
to think broadly.
Endocrine
A variety of endocrinopathies can result in confusion. Review
the physical findings. What endocrine diseases are frequently
occult and only found on screening tests?
Neurological
A variety of central nervous system processes present as
confusion. Review the historical and physical findings in
order to narrow the list
Genitourinary/Renal
Confusion is frequently how older individuals present when
they have impaired renal function or infections. Does your
patient have any physical findings that might narrow the list gay
of differentials?"
Immune
Infection can be occult and present with confusion. Again,
look at the history, onset of symptoms and physical findings
to narrow the differential list
Psychologic
Depression can present with lack of interest in daily activities
and confusion. Does the history support or refute the
involvement of this system? Do you have enough data?
NR-601 Week 6 Janet Riley I Human Case Study
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Student Differential Diagnoses
urinary tract infection (UTI)
@ dementia, Alzheimer's
® anemia, vitamin B12 deficiency
® pseudodementia
® occult infection
® hypothyroidism
® dementia, frontotemporal
® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
® dementia, mixed
® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
® dementia, mixed
Expert's Feedback
Selected Differential Diagnoses
@ correct
* dementia, Alzheimer's
®Missing
You were missing 13 diseases that were specified by the
case author
R
1. anemia, vitamin B12 deficiency
This differential diagnosis should be included because:
Signs and symptoms of vitamin B12 anemia may include:
Fatigue, weakness
Tachycardia, tachypnea
Pale skin
Easy bruising
Unintended weight loss
Diarrhea or constipation
Vitamin B12 deficiency is a common cause of
neuropsychiatric symptoms in elderly persons. Low
serum vitamin B12 levels are associated with
neurodegenerative disease, cognitive impairment, and
mood disorders. There is a small subset of dementias
that are reversible with vitamin B12 therapy and this
treatment is inexpensive and safe. Vitamin B12 therapy
does not improve cognition in patients without pre-
existing deficiency.
See: Moore E, et al. Cognitive im ent
B12: A review. International Psychogeriatrics.
2012;24(4):541-56
Other nutritional deficiencies associated with psychiatric
and/or neurological symptoms include folate
homocysteine, thiamine and niacin
pseudodementia
This differential diagnosis should be included because:
Pseudodementia is a treatable depressive disorder in
older age that presents with many reversible signs and
symptoms of neurocognitive disorders
© Confusion
© Memory impairment
NR-601 Week 6 Janet Riley I Human Case Study
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® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
@ aninntia mB
® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
& polypharmacy induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
® dementia, mixed
® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
® dementia, mixed
‘© Mood changes
Anhedonia
Social withdrawal
Sleep disturbance
°
°
°
© Weight loss
3. occult infection
s
o
This differential diagnosis should be included because:
This differential diagnosis should be included because:
Occult urinary tract infection with secondary urosepsis
can present in the elderly with impaired cognition, with or
without the common GU signs and symptoms:
© Urinary urgency, dysuria, frequency
© Pelvic pain (in women), rectal pain (in men)
© Urine with cloudy appearance and strong odor
© Bacteriuria, pyuria, hematuria
Other infections that may present with alterations in
mental status include HIY, tertiary syphilis, and CNS
infections
hypothyroidism
This differential diagnosis should be included because:
‘Symptoms of hypothyroid usually develop slowly over
time; they may not be clinically recognized, or they may
be mistaken for features of normal aging. Common
symptoms include the following
°
°
°
°
°
°
Fatigue, malaise
Weakness
Depression,
Dry skin and brittle nails
Cold intolerance
Constipation
dementia, frontotemporal
This differential diagnosis should be included because:
Frontotemporal dementia (FTD) is both a clinical and an
imaging-based diagnosis. MRI can detect shrinkage in
the frontal and temporal lobes of the brain, a hallmark of
FTD. FTD has a younger mean age of onset (53 years)
than
Alzheimer's disease.
Frontotemporal dementia is associated with the following
clinical findings
Changes in personality and behavior that may be
mistaken for depression
Disinhibition (dysregulated emotions;
inappropriate speech and actions)
Language impairment, e.g., words convey less
and less meaning or specificity (semantic
dementia); loss of ability to generate words or
sentences (aphasia)
Involuntary movements, muscle rigidity, or
spasticity
Loss of coordination and balance
6. polypharmacy-induced pseudodementia
Polypharmacy-induced pseudodementia represents a a
NR-601 Week 6 Janet Riley I Human Case Study
Statement
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Organize
key
Findings
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agnoses
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Tests
® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
® dementia, mixed
® polypharmacy-induced pseudodementia
® dementia, vascular
® dementia, Lewy body
® toxic encephalopathy
® obstructive sleep apnea (OSA)
® hydrocephalus
® subdural hematoma
® dementia, mixed
This differential diagnosis should be included because:
Head injuries are common in the elderly due to balance
and gait abnormalities. Subdural hematoma can occur in
the elderly after apparently insignificant head trauma that
is unrecognized and/or unreported. Chronic subdural
hematoma is a common treatable cause of dementia
An acute subdural hematoma may be associated with the
following:
Headache
Nausea and vomiting
Lethargy, weakness, somnolence
Dizziness
Confusion
Apathy
Behavioral changes
13. dementia, mixed
This differential diagnosis should be included because:
Mixed neurocognitive disorder refers to the coexistence
of two or more dementia etiologies
© Alzheimer’s disease (AD) and vascular dementia
© AD and Neurocognitive Disorder with Lewy bodies
© AD, vascular dementia, and Neurocognitive
Disorder with Lewy bodies
° Other mixed etiological factors
XIncorrect
* urinary tract infection (UT!) a
Rank the differential diagnoses: Indicate /eading (Lead) or alternative (Alt). Then indicate if the differential diagnosis represents a must-not-miss (MnM)
diagnosis or condition
aa ALCL 3
Differential Diagnosis
dementia, Alzheimer’s
anemia, vitamin B12 deficiency
pseudodementia
occult infection
hypothyroidism
dementia, frontotemporal
polypharmacy-induced pseudodementia
dementia, vascular
dementia, Lewy body
Expert's Feedback
Lead or Alt | MnM
Diagnosis Ranking: |
@ Correct
dementia, Alzheimer's
anemia, vitamin B12 deficiency
pseudodementia
occult infection
hypothyroidism
dementia, frontotemporal
polypharmacy-induced pseudodementia
dementia, vascular
dementia, Lewy body
toxic encephalopathy
obstructive sleep apnea (OSA)
hydrocephalus
® ®@ @®@ XxX
x xX @
NR-601 Week 6 Janet Riley I Hu
Select
Problem
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Diagnoses
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Tests
Statement
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Problem
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Tests
cpmmeumunon
dementia, frontotemporal
polypharmacy-induced pseudodementia
dementia, vascular
dementia, Lewy body
toxic encephalopathy
obstructive sleep apnea (OSA)
hydrocephalus
subdural hematoma
dementia mixed
Differential Diagnosis
Hywouyrenion
dementia, frontotemporal
polypharmacy-induced pseudodementia
dementia, vascular
dementia, Lewy body
toxic encephalopathy
obstructive sleep apnea (OSA)
hydrocephalus
subdural hematoma
hypouryionuiont
dementia, frontotemporal
polypharmacy-induced pseudodementia
dementia, vascular
dementia, Lewy body
toxic encephalopathy
obstructive sleep apnea (OSA)
hydrocephalus
subdural hematoma
Leaa oran | minM
man Case Study
® ®@xX X ®
@
x
* subdural hematoma
* dementia, mixed
Diagnosis Must-not-Miss:
@Missing
* anemia, vitamin B12 deficiency
* pseudodementia
* occult infection
* polypharmacy-induced pseudodementia
* toxic encephalopathy
* obstructive sleep apnea (OSA)
* subdural hematoma
XIncorrect
+ dementia, Alzheimer's
+ dementia, vascular
+ dementia, Lewy body
+ dementia, mixed
Discussion:
Alzheimer's disease (AD) is the leading hypothesis given Ms.
Riley's constellation of presenting symptoms and behavioral
history, as reported by her daughter.
Vascular neurocognitive disorder, the next most frequent
dementia etiology following AD, should be considered given Ms.
Riley's risk factors: CAD, hypertension, and hyperlipidemia
However, her symptoms have been gradual in their progression,
not step-wise as is characteristic of vascular dementia; and, she
lacks focal-neurologic deficits. A head CT or brain MRI showing
evidence of ischemic strokes would support this alternative
diagnosis
Mixed neurocognitive disorder (AD plus vascular neurocognitive
disorder) is a strong alternative hypothesis, as this patient has
significant vascular risk factors. Again, neuroimaging studies
providing evidence of previous infarctions would support this
diagnosis.
Major neurocognitive disorder with Lewy bodies is a possible,
but less likely, alternative hypothesis, given the patient's lack of
gait impairment and/or other Parkinson’s-like features on
neurologic exam
Pseudodementia, a treatable depressive disorder, should be
considered as a must-not-miss, alternative diagnosis in this
patient's case, given her mood lability, anhedonia, social
withdrawal, weight loss, and sleep disturbance. While
pseudodementia and depression, both treatable conditions, may
be harbingers of Alzheimer's disease, depression alone is
NR-601 Week 6 Janet Riley I Human Case Study aa NR-601 Week 6 Janet Riley I Human Case Stud
History Physical Exam Assessment Tests Plan Summary <a
What is the correct diagnosis for this patient?
@ Correct ® Missing X Incorrect Expert's Feedback
\Yours Graded Choice
Diagnosis: Alzheimer’s disease, moderate; possible vascular
Oo anemia, vitamin B12 deficiency component
| © | © _|dementia, Atztieimers Ms. Riley has neuropsychiatric and behavioral manifestations of
Oo dementia, Lewy body neurocognitive disorder:
° dementia, frontotemporal © Impaired memory, judgement, and orientation
fe) dementia, mixed * Emotional lability, depressive symptomatology
: * Delusional symptoms
Oo dementia, vascular * Sundowning
T * Poor self-insight with regard to disease process and limitations
| O hydrocephalus lanosognosia}
O° hypothyroidism * Decline in self-care
| + Resistance to care-giving
Oo obstructive sleep apnea (OSA)
°O occult infection There is no current evidence for other etiologic factors.
Oo polypharmacy-induced pseudodementia
oO pseudodementia
Oo subdural hematoma !
Oo toxic encephalopathy a
History Physical Exam Assessment Tests Diagnosis Summary ea
ys
Your Plan Expert's Feedback
Tests ordered for Mrs. Riley include bloodwork, a brain MRI, sleep
study, urinalysis, an EEG, and CSF analysis. All lab values are The medical-social management of this patient who has been
within normal limits: UAis negative, and the sleep study was newly diagnosed with Alzheimer's disease should include the
normal. The CSF was normal. The brain MRI shows generalized following components
cortical atrophy and a reduced hippocampal volume. The EEG
shows cortical dysfunction
Brain atrophy is measured on MRI and is a powerful biomarker of
the stage and intensity of neurodegenerative aspects of the + Adetermination of the individual's care and safety needs
pathology of Alzheimer’s disease. The cerebral cortex plays a key (Activities of Daily Living and Instrumental Activities of Daily
Dial inemoly, aifention, thotight. and lanenlaige. Atrophy in the Living). Activities of daily living include are the tasks that are
cortex is indicative of AD. An imaging study of medial temporal Fequired to get going in the morning, get from place to place
lobe atrophy (MTA), particularly in the hippocampus, the entorhinal using one's body, and then close out the day in the evening
cortex, and the amygdala provides evidence of the progression of They invoive caring for and moving the body: walking,
AD. Mrs. Riley's test results accompanied by her associated bathing, dressing, toileting, brushing teeth, and eating
symptoms indicated that she has Alzheimer’s Disease Instrumental activities of daily living are the activities that
people do once they are up, dressed, put together. These
tasks support an independent life style. Many people can still
live independently even though they need help with one or
two of these IADL’s. They include: cooking, driving, using the
telephone or computer, shopping, keeping track of finances,
managing medication
Discussion of placement options; including the option for the
patient to remain in her own home with any/all necessary
assistance.
NR-601 Week 6 Janet Riley I Human Case Study
Your Plan
Tests ordered for Mrs. Riley include bloodwork, a brain MRI, sleep
study, urinalysis, an EEG, and CSF analysis. All lab values are
within normal limits, UA is negative, and the sleep study was
normal. The CSF was normal. The brain MRI shows generalized
cortical atrophy and a reduced hippocampal volume. The EEG
shows cortical dysfunction.
Brain atrophy is measured on MRI and is a powerful biomarker of
the stage and intensity of neurodegenerative aspects of the
pathology of Alzheimer's disease. The cerebral cortex plays a key
role in memory, attention, thought, and language. Atrophy in the
cortex is indicative of AD. An imaging study of medial temporal
lobe atrophy (MTA), particularly in the hippocampus, the entorhinal
cortex, and the amygdala provides evidence of the progression of
AD. Mrs. Riley’s test results accompanied by her associated
symptoms indicated that she has Alzheimer’s Disease
UCase Summary
Learning objectives for this case
After completing this case the student should be able to do the following:
+ Assessment of the patient's support structure and her
family's psychosocial and financial abilities to assume
primary and/or secondary caregiver responsibilities.
Notification of the state DMV, the patient, and the patient's
family that the patient's driving privileges are permanently
revoked on medical grounds.
Question the family regarding pre-existing advanced medical
directives and/or durable powers of attorney for healthcare
and/or financial matters.
Emphasize the role of enrichment activities for those living
with neurocognitive disorder (e.g., community-based
programs).
Continue management of her known cardiovascular risk
factors with Aspirin, statin, and antihypertensives.
Pharmacologic management of the patient's Alzheimer's
disease should be tailored to the individual's stage of
disease and behavioral features. Risks and benefits of the
following drug classes should be discussed in detail with the
patient's family: Cholinesterase inhibitors: e.g., donepezil
(Aricept), galantamine (Razadyne ER), rivastigmine
(Exelon), NMDA-receptor antagonists: e.g., memantine
(Namenda), Antipsychotics (for behavioral
disturbances/delusions that pose significant management or
safety concerns).
Define neurocognitive disorder (formerly referred to as dementia), including the six cognitive domains affected.
Perform a comprehensive history to evaluate cognitive impairment.
Describe important aspects of the physical examination in evaluating cognitive impairment.
List the laboratory work-up of cognitive impairment.
Provide a differential diagnosis for neurocognitive disorders.
List the risk factors for Alzheimer’s disease.
Describe the diagnostic criteria for Alzheimer’s disease.
Distinguish Alzheimer’s disease from other forms of dementia.
List the treatment options in the management of Alzheimer’s disease.
Describe the role of beta-amyloid plaques, neurofibrillary tangles, and acetylcholine in the progression of Alzheimer’s disease.
Describe the pathological changes associated with the various forms of neurocognitive disorders.
Describe the mechanisms of actions of the medications used to treat Alzheimer's disease.
Summarize each of the major theories on the development of the different types of neurocognitive disorders.
Epidemiology
Dementia, now known as neurocognitive disorder, is a syndrome of acquired, persistent, cognitive and behavioral impairment that significantly
impairs daily function, and affects one or more of the following cognitive domains:
NR-601 Week 6 Janet Riley I Human Case Study
Complex attention
Learning and memory
Executive function
Perpetual motor
Language function
Social cognition
Alzheimer’s disease (AD) is an insidious neurodegenerative disease that is characterized by the gradual/progressive loss of cognitive function.
AD disease is the most common cause of neurocognitive disorder (40%), followed by vascular neurocognitive disorder and Lewy body
neurocognitive disorder.
Rates of neurocognitive disorder increase significantly with age. Neurocognitive disorder affects approximately 5% of the population older than
65, and close to 50% of those age 85 and older. The number of cases of neurocognitive disorder worldwide is estimated at 36 million. Rates of
neurocognitive disorder are slightly higher in women than in men at ages 65 and greater.
Clinical considerations
Differential diagnosis
* Hypothyroidism
* Occult infection (HIV, tertiary syphilis, other subacute CNS infections)
NR-601 Week 6 Janet Riley I Human Case Study
Performance Overview
The following table summarizes your performance on each section of the case, whether you completed that section or not.
Time spent: 1h 34m 54s
Status: Submitted
eee) er tea Cac) | Cohort Comparison (N=31) aeuceucsr TE
Total Score you
7 —=——S ee
median
History Done you 99 questions asked, 16 correct, 25
oo —=—— SR, «—TSSed relative to the experts list
median
Physical exams Done you 43 exams performed, 14 correct, 15
. —=—— SE «—SSed relative to the expert's ist
median
Key findings Done 411 findings listed; 16 listed by expert
organization
Problem statement Done 109 words long; expert's was 64 words
Body system Done you 2 of § correctly picked plus 2 extras
classeaton A
median
Differentials Done you 2 items in the DDx, 1 correct, 13 missed
EE eaNeIO Ne exports ist
median
Differentials ranking Done you
0 OTT He eee
(leadvatt score) median
i you
(must not miss score) oe
median
Tests Done you 5 tests ordered, § correct, 10 missed
2 ND elie Lo tne experts st
median
Diagnosis Done You "dementia, Alzheimers" selected;
1% A SSRN | Uementa, Azneimers selected by
median ©?
Management plan Done 142 words long; expert's was 318 words
Exercises Done you 2 of 10 correct (of scored items only)
2
(of scored items only) a
median
*Status:
In progress - the section is incomplete and there's still time to finish it.
Incomplete - the section is incomplete and the assignment due date has passed.
Done - the section is finished and evaluated.
* Exam counts shown here reflect exams performed and certain vitals reviewed,
NR-601 Week 6 Janet Riley I Human Case Study
Time Spent per Section
History
Physical Exams
Key Findings Organization
Problem Statement
Differential
Tests
Diagnosis Selection
Management Plan
EMR
All Exercises
History &
Physical Exam
Key Findings /
cree Prob Statement
©@® Assessment Process
The following is a summary of all the tasks you performed dur
© All History Questions
Time spent: 46m 36s ee
Performed: 16 of 41 required @@
(40%), ee
8 not required, not ws
inappropriate cc
55 not required by c¢
case author
Performed
@ Performed Extraneous
X Incorrect
© Not required, not inappropriate
[] Duplicate
Time spent: 3m 25s ee
Performed: 14 of 29 required ee
(48%)
5 not required, not
inappropriate
22 not required by
case author
Accuracy: 5 performance errors
46m 36s
3m 25s
4m 3s
4m 37s
5m 16s
im 44s
53s
3m 6s
3m 34s
19m 20s
10m 20m 30m 40m 50m
Differential
Summary
Management
Plan bein!
Tests Summary Exercises
ing the history and physical exams portion of your patient encounter.
&
&
&
@
®@
@
ane
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ann
AC8e®
An ®
nnee
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aAnR®
anee
anee
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anee
ANG®
ann
Anne
Anne
an
Anan
AR
Annee
AnC8e
Not performed
@ Missing
@eeeeee0000
@@eecccc cece
a
Exam counts shown here reflect exams performed and certain vitals reviewed.
Performed
@ Performed C Extraneous
X Incorrect 1] Duplicate
@ Not required, not inappropriate
Not performed
@ Missing
NR-601 Week 6 Janet Riley I Human Case Study
Documentation Score: VY Correct = Missing association © Incorrect
Pee ey
See me cl) Performance Errors
a boa
e 1 temperature
e 2 Vitals: blood pressure = “systolic 142
= = “Diastolic 86
= “Assessment elevated
= ‘Pressure normal
® 3 orthostatic blood pressure (BP)
e 4 Vitals: respiration — ‘Rate 14
= “Rhythm regular
® 5 Sp02
® 6 skin vital sign
® 7 Spco
® 8 eTCO2
© 9 Skin, Hair, Nails: inspect skin overall
e 10 Skin, Hair, Nails: inspect hair color,
distribution, thickness
e 11 Skin, Hai, Nails: inspect nails
C 12 Skin, Hair, Nails: test capillary refill - fingers
Cc 13 Skin, Hair, Nails: test capillary refill - toes
Cc 14 HEENT: inspect/palpate scalp
Cc 15 Skin, Hair, Nails: Quincke's test
Cc 16 HEENT: inspectipalpate scalp
Cc 7 HEENT: inspect/palpate head
Cc 18 HEENT: inspect eyes
e 19 HEENT: test visual acuity
Cc 20 HEENT: examine pupils + did not fully examine left pupil Left normal reactive
‘= did not fully examine right pupil ri ee
Cc 24 HEENT: look in eyes with ophthalmoscope
Cc 22 HEENT: inspect ears.
23 HEENT: look in ears with otoscope 4
NR-601 Week 6 Janet Riley I Human Case Study
has lost weight recently
wears hearing aids
thinks people are taking things from her
Unable to organize things, house is a
mess
Trouble paying attention; trouble
remembering things
NKA, PMH, HTN, high cholesterol, stent
placed 15 ys ago, CAD
fell 4 weeks ago hit head
Related
Related
Related
Related
Unknown
Unknown
Unknown
interest in previously enjoyed activities)
Impaired performance of activities of
daily living (ADL)
Oriented X 2 only
Geriatric depressive possible
symptomatology
Weight loss - unintended 8 pound loss
over last 3 months
Coronary artery disease
Hypertension
Hyperlipidemia
Related
Related
Unknown
Unknown
Unknown
Unknown
Unknown
NR-601 Week 6 Janet Riley I Human Case Study
History of head trauma Unknown
Hearing loss Unknown
Expert: Key Findings Feedback
The medical key findings list you have compiled should be a list that includes
everything that is out of the ordinary about this patient, even when it is not a
problem’ in the true sense of the word.
In this 79-year-old female, the most significant active problem (MSAP) is
impaired memory and related behavioral changes.
Look through the list of problems identified. What medical conditions frequently
found in the geriatric population has this list:
+ Personality change
* Confusion
+ Poor concentration
+ Impaired judgment
+ Paranoid ideation
+ Disengagement/loss of interest in valued acti
+ Decline in performance of ADLs
+ Unintended weight loss
‘Some problems could be grouped as potential risk factors for behavioral
changes:
+ Hypertension
+ Hyperlipidemia
+ History of head trauma
+ Newly widowed status (despite low but somewhat ambiguous geriatric
depression score)
Next look for specific physical findings identified during your examination of the
patient. Hearing loss is a common, non-specific finding but the loss of orientation
to time is significant. In what medical conditions is this a prominent finding?
In developing your differential diagnosis, keep in mind that there not only may be
cross-over findings between various hypotheses, but that some conditions that
may explain Ms. Riley's presentation may actually coexist as mixed etiologies, or
as comorbidities. Also remember that the geriatric population frequently does not
exhibit the same degree of physical findings for some medical conditions, thus
more generic screening for common conditions that can result in the above list of
problems needs to be considered.
Problem Statement
Use this section to compare your problem statement with the one created by the case expert.
Time spent: 4m 37s
User: Problem Statement
Janet Riley is a 79-year-old Caucasian female that presents with her daughter, Ann,
who has concems about Janet's progressive cognitive and memory deficits,
‘emotional lability, and behavioral changes over the past year. She has noticed
changes in Mrs. Riley's personality, inability to complete her activities of daily living,
and lack of interest in previous activities and friends.
Does not answer any questions, and denies the need to be at the doctor. She
presents as unkempt and has obvious malodorous body odor. She has a recent
history of head trauma related to a trip and fall four weeks ago. Mrs. Riley has a
history of htn, high cholesterol, and CAD.
Expert: Problem Statement
Janet Riley is a 79-year-old widow with hypertension and coronary artery disease
who, according to her adult daughter, has, over the last year, developed progressive
cognitive and memory deficits, emotional lability and behavior changes. The
daughter also notes a change in her mother's personality (more argumentative and
difficult), deteriorating personal hygiene, and an inability to meet some of her ADLs
(activities of daily living).
NR-601 Week 6 Janet Riley I Human Case Study
Body System Categorization
Use this section to compare your problem body systems with the list selected by the case author.
Time spent:
41s
User: Body System List
Correctly selected
Neurological
Psychologie
Ig
Endocrine
Genitourinary/Renal
Immune
Incorrectly selected
Gastrointestinal
Muscul
loskeletal
Differential Summary
Expert: Body System List
Endocrine
Neurological
Genitourinary/Renal
Psychologic
Immune
The following shows how you did in developing your differential. Please observe the correct diseases, thelr order and
appropriate ranking. You may also compare this to the order and diseases on your final list.
Selected Not Selected
@ Performed @ Missing
X Incorrect
© Differential Selection/Ranking
‘Time spent: 1m 5s in differential
selection
4m ‘1s in differential
ranking
53s in selecting final
diagnosis
Selection 1 of 14 correct (7%)
Score:
Ranking
Score:
1 incorrect
100% ranked correctly
21% categorized must
not miss correctly
Diagnosis 100%
Score:
Cord
isease
dementia, Alzheimer's
anemia, vitamin B12 deficiency
pseudodementia
occult infection
hypothyroidism
dementia, frontotemporal
polypharmacy-induced pseudodementia
dementia, vascular
©8988 G88G8BO9SBOX
Ranking Score: Y Correct — Missing © Incorrect
ee)
v
ard
. es a A ee
«
ig
°
Derr
v
Result
Partially Correct: dementia, Alzheimer's is not a must-not-miss.
Missing: anemia, vitamin 812 deficiency is a differential, and is a
must-not-miss.
Missing: pseudodementia is a differential, and is a must-not-miss.
Missing: occult infection is a differential, and is a must-not-miss.
Missing: hypothyroidism is a differential
Missing: dementia, frontotemporal is a differential.
Missing: polypharmacy-induced pseudodementia is a differential,
and is a must-not-miss.
Missing: dementia, vascular is a differential, and is not a must-not-
miss.
NR-601 Week 6 Janet Riley I Human Case Study
electroencephalogram
(EEG)
complete blood count
(CBC)
human
immunodeficiency virus
(HIV) antibody
rapid plasma reagin
(RPR)
free thyroxine (FT4)
polysomnography/sleep
study
comprehensive
metabolic panel (CMP)
folate, serum
homocysteine
homocysteine
thyroid-stimulating
hormone (TSH)
erythrocyte
sedimentation rate
(ESR)
urinalysis (UA)
dementia, Lewy body
dementia, vascular
dementia, frontotemporal
dementia, mixed
dementia, Alzheimer's
Other Tests
toxic encephalopathy
Other Tests
occult infection
Other Tests
Other Tests
hypothyroidism
obstructive sleep apnea (OSA)
Other Tests
toxic encephalopathy
Other Tests
anemia, vitamin B12 deficiency
Other Tests
anemia, vitamin B12 deficiency
Other Tests
hypothyroidism
Other Tests
occult infection
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
Indicated
NR-601 Week 6 Janet Riley I Human Case Study
Management Plan
Time spent: 3m 6s
This report shows a comparison of your management plan compared to the expert's
User: Management Plan
Tests ordered for Mrs. Riley include bloodwork, a brain MRI, sleep study,
urinalysis, an EEG, and CSF analysis. All lab values are within normal limits, UA
Is negative, and the sleep study was normal. The CSF was normal. The brain
MRI shows generalized cortical atrophy and a reduced hippocampal volume. The
EEG shows cortical dysfunction.
Brain atrophy Is measured on MRI and is a powerful biomarker of the stage and
intensity of neurodegenerative aspects of the pathology of Alzheimer's disease.
‘The cerebral cortex plays a key role in memory, attention, thought, and language.
Atrophy in the cortex is indicative of AD. An imaging study of medial temporal
lobe atrophy (MTA), particularly in the hippocampus, the entorhinal cortex, and
the amygdala provides evidence of the progression of AD. Mrs. Riley's test
results accompanied by her associated symptoms indicated that she has
Alzheimer's Disease.
Expert: Management Plan
The medical-social management of this patient who has been newly diagnosed
vith Alzheimer's disease should include the following components:
+ Adetermination of the individual's care and safety needs (Activities of
Daily Living and Instrumental Activities of Daily Living). Activities of daily
living include are the tasks that are required to get going in the morning,
get from place to place using one's body, and then close out the day in the
evening. They involve caring for and moving the body: walking, bathing,
dressing, tolleting, brushing teeth, and eating. Instrumental activities of
daily living are the activities that people do once they are up, dressed, put
together. These tasks support an independent life style. Many people can
still live independently even though they need help with one or two of
these IADL's. They include: cooking, driving, using the telephone or
computer, shopping, keeping track of finances, managing medication.
+ Discussion of placement options; including the option for the patient to
remain in her own home with any/all necessary assistance.
+ Assessment of the patient's support structure and her family's
psychosocial and financial abilities to assume primary and/or secondary
caregiver responsibilities.
+ Notification of the state DMY, the patient, and the patient's family that the
patient's driving privileges are permanently revoked on medical grounds.
+ Question the family regarding pre-existing advanced medical directives
and/or durable powers of attorney for healthcare and/or financial matters.
Emphasize the role of enrichment activities for those living with.
neurocognitive disorder (e.g., community-based programs).
Continue management of her known cardiovascular risk factors with
Aspirin, statin, and antihypertensives.
Pharmacologic management of the patient's Alzheimer's disease should
be tailored to the individual's stage of disease and behavioral features.
Risks and benefits of the following drug classes should be discussed in
detail with the patient's family: Cholinesterase inhibitors: e.g., donepezil
(Aricept), galantamine (Razadyne ER), rivastigmine (Exelon), NMDA-
receptor antagonists: e.g., memantine (Namenda), Antipsychotics (for
behavioral disturbances/delusions that pose significant management or
safety concerns).
NR-601 Week 6 Janet Riley I Human Case Study
Electronic Medical Record
Time spent: 3m 34s
This report shows your documentation in the patient's electronic medical record.
User: History of Present Illness
Chief complaint
confusion and memory loss
History of present illness
User: Past Medical History
Other active problems
Medical, surgical, obstetric, hospitalizations
User: Medications
Rx (medications)
User: Allergies
Allergies
User: Preventive Health
Preventive health
Immunizations
User: Family History
FHx (family history)
User: Social History
SHx (social history)