Emergency Medicine Quick Review: Essential Q&A for 2024/2025, Exams of Biology

A quick review of questions and answers related to emergency medicine, covering topics such as management of subungual hematomas, foreign body removal from the ear, skin abscess management, and various trauma-related scenarios. It includes information on preferred induction agents, contraindications, and diagnostic findings for conditions like appendicitis, esophageal perforation, and nerve injuries. The document also addresses psychiatric considerations in emergency settings, such as managing agitation and recognizing drug toxicities. This review is useful for medical students and residents preparing for exams or seeking a concise reference for emergency medicine topics. (447 characters)

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SAEM Quick Review Q's 2024/2025 | Actual Questions and Answers Latest
Updated 2024/2025 (Graded A+)
Management of Large Subungual Hematoma - ✔✔Drainage (18-Gauge) or Hot Micro-Cauterization
Reason to Avoid Suction in Ear Foreign Body Removal - ✔✔Perforation of Tympanic Membrane
Management of Skin Abscess - ✔✔Linear Incision for Non-Face vs. Needle Drainage for Face
Catheter for Bartholin Cyst - ✔✔Word
Grading of Laryngeal Opening - ✔✔Cormack-Lehane
Preferred Induction Agent in Reactive Airway Disease for Dilation Effects - ✔✔Ketamine
Induction Agent Avoided in Sepsis Due To Adrenal Suppression - ✔✔Etomidate
Sudden-Onset Back Pain Worsened by Coughing Soon After Epidural Anesthesia - ✔✔Epidural
Hematoma
Presentation of Adhesive Arachnoiditis - ✔✔Progressive Neuropathy
Tom, Dick, and Very Nervous Harry - ✔✔Anterior to Posterior of Medial Ankle: Tibialis Posterior,
Digitorum Longus, Vein, Nerve, Hallucis Longus
Absolute Contra-Indication to Crico-Thyrotomy - ✔✔Age Under 5
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SAEM Quick Review Q's 2024/2025 | Actual Questions and Answers Latest

Updated 2024/2025 (Graded A+)

Management of Large Subungual Hematoma - ✔✔Drainage (18-Gauge) or Hot Micro-Cauterization Reason to Avoid Suction in Ear Foreign Body Removal - ✔✔Perforation of Tympanic Membrane Management of Skin Abscess - ✔✔Linear Incision for Non-Face vs. Needle Drainage for Face Catheter for Bartholin Cyst - ✔✔Word Grading of Laryngeal Opening - ✔✔Cormack-Lehane Preferred Induction Agent in Reactive Airway Disease for Dilation Effects - ✔✔Ketamine Induction Agent Avoided in Sepsis Due To Adrenal Suppression - ✔✔Etomidate Sudden-Onset Back Pain Worsened by Coughing Soon After Epidural Anesthesia - ✔✔Epidural Hematoma Presentation of Adhesive Arachnoiditis - ✔✔Progressive Neuropathy Tom, Dick, and Very Nervous Harry - ✔✔Anterior to Posterior of Medial Ankle: Tibialis Posterior, Digitorum Longus, Vein, Nerve, Hallucis Longus Absolute Contra-Indication to Crico-Thyrotomy - ✔✔Age Under 5

Anesthesia for Suturing Distal Right Index Finger in Patient with Underlying Vascular Disease - ✔✔Lidocaine (2%) Without Epinephrine Around Digital Nerve for Fingers, Toes, Penis, Nose Earliest Sign of Lidocaine Toxicity (Over 5 mg/kg) - ✔✔Lightheadedness (Also Peri-Oral Numbness, Tinnitus, Visual and Auditory Disturbances, Shivering, Twitching, and Generalized Tonic-Clonic Seizures) (1) Avoid Vertical Mattress Sutures. (2) Avoid Topical Skin Adhesives (Risk of Dehiscence from Sweating). - ✔✔Palm Glottis Spasm and Chest Wall Rigidity from Sedative (Rapid High Dose of IV Form) - ✔✔Fentanyl (Effects Not Always Reversed by Naloxone) Management of Long-Lasting L.P. Headache - ✔✔Autologous Blood Patch Timing of Tetanus Prophylaxis - ✔✔Within First Few Days (Suture Within First 24 Hours) Normal C.S.F.-to-Blood Glucose Ratio - ✔✔0. Size of Needle Decompression Needle - ✔✔14 Gauge (2nd Intercostal at Midclavicular Line) Large Paronychia and Cellulitis - ✔✔Removal of Affected Nail Under Digital Block and Antiobiotics Signs of Acute Appendicitis - ✔✔1. Rovsing: Right Lower from Left Lower.

  1. Psoas: Extension.
  2. Obturator: Rotation. Suggested by Abdominal Pain Preceding Nausea and Vomiting - ✔✔Surgery (Small Bowel Obstruction) Peak of Gastric Acid Secretion at Rest - ✔✔2 A.M.

Extra-Pyramidal: Involuntary Periodic Movements of Tongue, Lips, or Mouth - ✔✔Tardive Dyskinesia Extra-Pyramidal: Torticollis, Fixed Upper Gaze (Oculogyric Crisis), or Arching of Back (Opisthotonus) - ✔✔Benztropine (2mg Cogentin) or Diphenhydramine (25mg) for Dystonia Extra-Pyramidal: Restlessness - ✔✔Beta-Blocker for Akathisia E.C.G. Finding of Haloperidol Toxicity - ✔✔Long Q.T. Drug Causing Vertical Nystagmus - ✔✔Phencyclidine (PCP) Controls Agitation Without Respiratory Depression (Negligible Anticholinergic Side Effects) - ✔✔Haloperidol (5mg IM q30); B-52 is Benadryl, 5 Milligrams of Haloperidol, and 2 Milligrams of Lorazepam Risk of Protracted Struggle in Restraints - ✔✔Metabolic Acidosis Risk of Flumazenil in Chronic Benzodiazepine User - ✔✔Withdrawal Seizures Altered Chronic Alcoholic, Non-Gap Metabolic Acidosis - ✔✔Isopropyl Alcohol - iso gives iso (equal) gap metabolic acidosis Glucose and Magnesium Recommendations for Altered Alcoholic - ✔✔1. Thiamine Before Glucose; and,

  1. Give Magnesium Regardless of Magnesium Level (Low Stores). Global Inability to Relate to Environment and Process Sensory Input (Increased Alertness and Psychomotor Activity) - ✔✔Delirium Most Common Dementia - ✔✔Alzheimer More Common Than Vascular Dementia

Management of Hypertension in Eclampsia (Seizure) - ✔✔Magnesium; Consider Anti-Hypertensive Medication for Diastolic Over 110 After Seizure Stops Relationship Between Alcohol and Seizures - ✔✔Direct Toxicity vs. Withdrawal vs. Head Injury from Fall Most Common Cause of Delirium in Elderly - ✔✔Medications Tooth Fracture of Enamel and Dentin, Yellowish Tinge, No Blood - ✔✔Ellis 2 Dental Fracture Requires Dental Consultation to Prevent Abscess Formation Obvious Nasal Bone Deformity After Blunt Trauma, Bleeding Controlled by Pressure; No Bone Tenderness, Cranial Nerves Intact; Swollen and Bruised Tender Septum - ✔✔Incision and Drainage of Septal Hematoma Followed by Nasal Packing Eye Blunt Trauma, Pain, Double Vision from Upward Gaze - ✔✔Entrapment of Inferior Rectus from Inferior Orbital Wall Fracture Head Blunt Trauma, Loss of Consciousness, Currently Seizing; Previous Confusion, Vomiting, and Headache - ✔✔R.S.I. with Paralytic (Before Addressing Intracranial Pressure) Tension Pneumothorax; Hemodynamically Unstable - ✔✔Needle in 2nd Intercostal Mid-Clavicular (Anterior) or 4th Intercostal Mid-Axillary (Lateral), Before X-Ray (Chest Tube Takes Too Long) Most Sensitive Bedside Test for Finger Nerve Injury - ✔✔Two-Point Discrimination Wrinkling of Digit in Warm Water Indicates Intact Nerve - ✔✔O'Riain Test Ottawa Ankle Rules (Any Positive Requires X-Ray) - ✔✔1. Inability to Walk 4 Steps At Time of Injury or Currently.

  1. Tenderness Over Either Malleolus.

Management of Hemodynamically-Stable Liver Laceration from Trauma - ✔✔Conservative Management; No Emergency Laparotomy Trauma Patient with Bloody Foley - ✔✔C.T. Abdomen and Pelvis with I.V. and Trans-Urethral Contrast Chest G.S.W., Unconscious and Pulseless, Systolic of 60 - ✔✔Emergency Thoracotomy (Lower Success Rates for Blunt Trauma) In Breast, Out Axilla; Hemodynamically-Stable and Clear Breath Sounds Bilaterally; I.V. Access Obtained - ✔✔(1) Bedside Ultrasound. (2) Intubation and Chest Tube. (3) Portable X-Ray; and, (4) Admit to I.C.U. Stab Wound in 10th Intercostal Space, Absent Breath Sounds; Dyspnea But Hemodynamically-Stable - ✔✔(1) Chest Tube. (2) Portable X-Ray. (3) Abdominal C.T. Decreased Sensation Over Thenar Eminence - ✔✔Median Nerve Injury from Distal Radius Fracture Leg Externally-Rotated (And Abducted) - ✔✔Femoral Neck Fracture (ER = RE) Leg Internally-Rotated - ✔✔Posterior Hip Dislocation; pINT - pt drank a PINT of alcohol --> MVA --> hi force, posterior hip dislocation Popliteal Impact on Planted Foot; Pale Cold Foot, No Distal Pulses - ✔✔Sedate and Reduce Without X- Rays

Eikenella corrodens - ✔✔Aggressive Mouth Flora Requiring Prophylactic Antibiotic Coverage After Human Bite (Lactam-Lactamase) Definitively Determines Entry and Exit Wound - ✔✔Forensic Specialist (Emergency Department Must Describe Wounds But Never Speculate) Small Pneumothorax on Chest C.T.; Hemodynamically-Stable - ✔✔100% Oxygen Flexion and Compression of Vertebral Body Resulting in Paralysis and Loss of Pain and Temperature Sensation Below - ✔✔Anterior Cord from Anterior Spinal Artery Injury Severe Burns of Hands (Or Skull) and Heels; Risk of Cardiac Arrest or Loss of Consciousness - ✔✔Deep Burns Distinguish Electrical Injury from Lightning Hepatitis C Medication, Risk of Depression - ✔✔S.S.R.I. Pretreatment for Interferon Alpha Psychiatric Risk Associated with Breast Implants - ✔✔Suicide SAD PERSONS - ✔✔1. Male (Caucasian).

  1. Age Under 20 or Over 50.
  2. Depression.
  3. Previous Attempt.
  4. Ethanol or Drugs.
  5. Rational Thought Loss (Psychosis).
  6. Social Support Issues.
  7. Organized Plan.
  8. No Spouse or Significant Other (1 Point, All Others 2 Points).
  9. Sickness or Injury. Psychiatric Disorder With Greatest Risk of Suicide - ✔✔Panic Disorder

Vomiting, Diarrhea, Fatigue, and Yellow-Green Halos Around Objects - ✔✔Digoxin Mimics Clonidine Toxicity - ✔✔Opioid Toxicity (Hypotension, Bradycardia, Bradypnea, Miosis) Vin Rose Urine - ✔✔De-Feroxamine (I.V. or I.M.) for Iron Toxicity Antidote for Isoniazid vs. Beta-Blocker (Also CCB or Insulin) - ✔✔Pyridoxine vs. Glucagon (1) Encephalopathy, Seizure, Sleep Disturbance, or Memory Deficits. (2) Paresthesias or Wrist Drop. (3) Colicky Abdominal Pain. - ✔✔Lead Toxicity; Check for Lead Lines Chocolate Brown Blood After Nitrites, Local Anesthetics, Dapsone, or Phenazopyridine - ✔✔Methylene Blue for Met-Hemoglobinemia (1) Tall and Young. (2) Smoking. (3) Asthma. (4) C.O.P.D. (5) Interstitial Lung Disease. (6) Connective Tissue Disease. (7) Lung Cancer. - ✔✔Risk Factors for Spontaneous Pneumothorax Endo-Tracheal Tube Depth (Lip Line) - ✔✔23 Centimeters for Males and 22 Centimeters for Females Populations At Higher Risk for Asthma - ✔✔Male Children vs. Female Adults vs. African-Americans

10 Millimeter Fall in Systolic Pressure During Inspiration - ✔✔Severe Asthma vs. Pericardial Tamponade; pulsus paradoxus: right compression leads to septal deviation to left --> decreased filling of left ventricle, decreased SV = 10mmg drop Steroid Route for Asthma Exacerbation - ✔✔I.V. Steroids Effect of Mucokinetic Agent (N-Acetylcysteine) on C.O.P.D. Exacerbation - ✔✔Increases Work of Breathing Pathogen Coverage Required for Community-Acquired Pneumonia - ✔✔Co-Infection of Gram-Positive (Streptococcus) and Gram-Negative (Chlamydia) Common (1) Over 65. (2) Alcohol. (3) Diabetes or Immune Suppression. (4) Cardiovascular Disease. (5) Splenectomy. (6) Sickle Cell. (7) Malignancy. - ✔✔Risk Factors for Streptococcus Pneumonia Manifestation of Varicella Zoster in Adult Smokers or Pregnant Women (Contrast to Rash in Children) - ✔✔Pneumonia Currant Jelly Sputum, Empyema or Abscess - ✔✔Klebsiella Pneumonia Chest X-Ray Findings of Food Aspiration - ✔✔Right Middle Lobe Atelectasis or Right Lung Hyperinflation Percentage of P.E. Patients with D.V.T. vs. Percentage of D.V.T. Patients with Asymptomatic P.E. - ✔✔33% vs. 50%

2 Electrolytes Appearing Normal On D.K.A. Labs Despite Total Body Depletion, In Addition to Potassium - ✔✔1. Magnesium.

  1. Phosphorous. Contra-Indicated During Hyperglycemic Seizures Due to Impairment of Endogenous Insulin Release - ✔✔Phenytoin Timing of Fluid Resuscitation for Hyper-Glycemic Hyper-Osmolar State - ✔✔Half in 1st 8 Hours; Other Half Over 24 Hours Risk of Rapid Correction of Hyper-Osmolarity, Especially in Children - ✔✔Cerebral Edema; Change in Mental Status During D.K.A. Treatment Requires Mannitol (Avoid Glucogenic Steroids) (1) Ineffective for Alcoholic Hypoglycemia (Inadequate Glycogen Stores). (2) Dangerous In Unexplained Pediatric Hypoglycemia (Possible Glycogen Storage Disease). - ✔✔Glucagon Glucose Level Required for Symptoms - ✔✔Under 50 (Seek Other Causes Otherwise) 2 Common Causes of Hypoglycemia in Type 1 Diabetes, In Addition to Increased Insulin Use - ✔✔Increased Activity or Skipped Meals Observation Period for Overdose on Oral Hypoglycemic - ✔✔24 Hours Contrast Physical Exam of Moderate Hypothermia and Mild Hypothermia - ✔✔Altered Mental Status and Loss of Shivering Below 32 Degrees (Bradycardia and Bradypnea) Management of Frostbite - ✔✔Warm Immersion (Pain Returns)

Seasonal Timing of Presentation of Hypo-Thyroidism - ✔✔Winter Due To Cold Intolerance C.B.C. and B.M.P. Findings Supporting Diagnosis of Hypo-Thyroidism - ✔✔Normo-Cytic Anemia and Hypo-Natremic Respiratory Acidosis from Hypo-Ventilation (Also Hypercholesterolemia) Calcium Level in Adrenal Insufficiency - ✔✔Normal or High (Unknown Etiology) Management of Suspected Adrenal Insufficiency - ✔✔Dexamethasone (4 Milligrams IV q6) and A.C.T.H. Stimulation Test (Not Affected by Dexamethasone) (1) Untreated Pneumothorax (Including C.O.P.D. Blebs). (2) Doxorubicin, Cisplatin, Bleomycin, Disulfira, and Mafenide Acetate. (3) Otitis Media. - ✔✔Contra-Indications for Hyperbaric Oxygen Therapy (1) Carbon Monoxide Poisoning. (2) Decompression Sickness. (3) Necrotizing Fasciitis. (4) Air or Gas Embolism. (5) Crush Injury. (6) Compartment Syndrome. - ✔✔Indications for Hyperbaric Oxygen Management of Mild Acute Mountain Sickness (Not Life-Threatening) - ✔✔1. Avoid Higher Altitudes.

  1. Acetazolamide, Oxygen, and Ibuprofen (Headache) for Current Altitude. (1) Alcohol. (2) Thyroid. (3) Rheumatic Heart. (4) Ischemia. (5) Atrial Myxoma.

(4) Iodide. (5) Cupric Sulfate. (6) Bromide. - ✔✔False Positive Guaiac Test (1) Bile. (2) Ingestion of Magnesium-Containing Antacids. (3) Ascorbic Acid (Vitamin C). - ✔✔False Negative Guaiac Test Thumbprinting on X-Ray - ✔✔Submucosal Edema and Hemorrhage; ischemic colitis, mesenterischemia, inflam bowel dz 2 Most Common Causes of Lower G.I. Bleeding in Adults - ✔✔Diverticulosis and Angiodysplasia 2 Most Common Causes of Upper G.I. Bleeding in Adults (Higher Mortality Than Lower GI Bleeding) - ✔✔PUD (Gastric Erosions) or Varices Most Common Cause of Upper G.I. Bleed in Children - ✔✔Esophagitis Painful Hemorrhoids - ✔✔External Most Common Cause of Food Poisoning in U.S. - ✔✔Clostridium 2, 3, and F - ✔✔Inferior from Right Coronary Artery Criteria for Acute Myocardial Infarction - ✔✔ 2 of 3: 20 Minutes Duration, E.C.G, or Positive Enzymes; for STEMI ST elevation in 2 contiguous leads of new LBBB Management of Acute Myocardial Infarction Before Catheterization or Thrombolytics - ✔✔1. Nitroglycerin, and Morphine Increases Oxygen Delivery.

  1. Aspirin and Clopidogrel.
  2. Beta-Blocker Decreases Myocardial Oxygen Requirement.
  3. Heparin Once Dissection Ruled Out. V1, More Elevation in 3 Than 2 - ✔✔Confirmed by S.T. Elevation in V3R to V6R on Right-Sided E.C.G.; Give Fluids and Avoid Vaso-Dilators (Nitroglycerin) M.I. Symptoms, E.C.G. Shows No S.T. Elevation, But Right Bundle Branch Block and Fascicle Block - ✔✔Pacemaker Prevents Complete Block S.T. Elevation in V5 and V6 - ✔✔Lateral M.I. from Left Circumflex Perfusion of S.A. Node - ✔✔Right Coronary Artery Management of Likely Aortic Dissection - ✔✔Beta-Blocker Decreases Shearing Forces on Aorta (Systole) and Sodium Nitroprusside Lowers Pressure (More Titratable Than Nitroglycerin); Consult Cardiothoracic Surgery and Consider Morphine Second-Degree Type 1 - ✔✔Widening Wenckebach Management of Pheo-Chromocytoma - ✔✔Phentolamine High Blood Pressure and Optic Disk Edema (Or Encephalopathy, Intracerebral Hemorrhage, Retinopathy, Heart Failure, ACS, Acute Renal Failure, Aortic Dissection, and Eclampsia) - ✔✔Malignant or Emergent Hypertensive Crisis (1) Valsalva. (2) Barotrauma. (3) Asthma. (4) Cocaine Inhalation from Positive Pressure Devices. - ✔✔Risk Factors for Pneumo-Pericardium; Check for Hamman's Sign (Mediastinal Crunch Over Precordium)

Complete Unilateral Facial Droop (Inability to Raise Forehead) - ✔✔Acyclovir and Prednisone; Suggest Eye Patch and Moisturizing Drops for Lacrimal Gland Dysfunction Contrast Presentation of Vestibular Neuronitis to Labyrinthitis - ✔✔No Sensori-Neural Hearing Loss from Vestibular Neuronitis Suggested by Cranial Nerve Deficit (Diplopia) in Vertigo Patient - ✔✔Central Etiology Management of Vertigo from Benign Positional Vertigo - ✔✔Benzodiazepine (Sedation of Limbic System and Thalamus) or Anti-Cholinergic (Diphenhydramine, Meclizine, or Promethazine) Mid-Back Pain (Urinary Retention) and Progressive Leg Weakness; Fever, Absent Reflexes, Tenderness to Palpation - ✔✔Start Broad-Spectrum Anti-Biotics and Consult Neuro-Surgery; Foley and Analgesics to Relieve Pain Initial Management of Myasthenic Crisis (Previously Diagnosed by Edrophonium Test) - ✔✔Intubation Risk of Nitro-Prusside in Renal Failure Patients or Pregnancy - ✔✔Cyanide Toxicity Management of Hypertensive Emergency (Urgency + End-Organ Damage) - ✔✔25% in First Hour by I.V. (Esmolol 100 to 500 Micrograms / Kilogram Load) 1st Step in Management of Atrial Fibrillation - ✔✔Rate Control Before Anti-Coagulation Termination of A.V. Nodal Re-Entry Tachycardia - ✔✔Adenosine (99% Effective) Location of Second-Degree Type 2 Block (Requires Pacing) - ✔✔His-Purkinje System Location of Second-Degree Type 1 Block from Vagal Tone or Drug Effect - ✔✔A.V. Node

Long Q.R.S., Terminal R Wave in V1 and Slurred S in 1 and V6 - ✔✔Right Bundle Branch Block Linear or Flame-Shaped Hemorrhages, Cotton-Wool Patches, Copper or Silver Discoloration of Arterioles, Hard (Lipid) Exudates from Abnormal Vascular Permeability - ✔✔Longstanding Hypertension (Optic Disk Edema Indicates Emergent Malignant Hypertensive Crisis)

  • ✔✔ Beta-Blocker That Also Blocks Alpha Receptors - ✔✔Labetalol Reason to Avoid Beta-Blocker in Pheo-Chromocytoma or Cocaine Toxicity - ✔✔Blood Pressure Increase from Alpha-Mediated Vaso-Constriction Management of Shingles - ✔✔Analgesic and Acyclovir (Prevents Post-Herpetic Neuralgia) Umbilicating Vesicles Covering Body and Fever; Recent (Days Ago) Papules on Extremities and Face; Started As Oral Rash and Severe Febrile Headache and Backache One Week Ago - ✔✔Smallpox Skin Sloughing After Target Macules on Palms and Soles from Penicillin or Sulfa Drugs (Also Barbiturates, Immunization, or Mycoplasma) - ✔✔Erythema Multiforme vs. Stevens-Johnson vs. Toxic Epidermal Necrolysis Cellulitis Treatment in Diabetic; History of Recurrent Cellulitis - ✔✔Gram-Positive and Gram-Negative (Ampicillin-Sulbactam) Management of Seborrheic Dermatitis (Tinea-Like Erythema and Waxy Scaling on Hairy Surfaces Before Infancy or After Puberty) - ✔✔Shampoo Containing Zinc Pyrethrin, Selenium, Salicylic Acid, or Tar Contrast Color Under Wood's Light of Tinea Versicolor vs. Erythrasma - ✔✔Yellow-Green vs. Red