Cardiac Rhythm Interpretation, Exams of Nursing

Various topics related to cardiac rhythm interpretation, including identifying different types of arrhythmias, understanding the conduction system of the heart, and interpreting electrocardiogram (ecg) waveforms. It provides detailed explanations and examples to help healthcare professionals accurately interpret cardiac rhythms and make appropriate clinical decisions. Topics such as the relationship between p waves and qrs complexes, the normal range of heart rates, the function of cardiac valves, and the identification of specific arrhythmias like atrial fibrillation, ventricular tachycardia, and complete heart block. It also discusses the importance of proper grounding of electrocardiographs and the benefits of clear communication with patients about planned services or procedures. Overall, this document is a comprehensive resource for healthcare professionals involved in cardiac monitoring and rhythm interpretation.

Typology: Exams

2024/2025

Available from 10/28/2024

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HOSMERIT
CRAT PRACTICE TEST QUESTIONS AND VERIFIED
ANSWERS GRADE A+ 2025
What should be done when a patient reports that his or her demographic information is
incorrect?
A. Request written documentation
B. Cross out the incorrect information
C. Call the referring doctors office to request another enrollment form
D. Follow the organizational procedure and correct the error immediately
D. Follow the organizational procedure and correct the error immediately.
In the absence of a release form, a patients health information may be shared with the patients
without committing a HIPAA violation
A. Child
B. Spouse
C. Physician
D. Verbally reported power of attorney
C. Physician
In addition to the patients name, all of the following can be used in the patient identification
process except the patients...
A. Room number
B. Account number
C. Last four digits of SSN
D. Medical record number
A. Room number
When is it appropriate to contact a patients family member?
A. Never
B. Only if the patient is non-compliant
C. Only if his or her physician gives permission
D. Only if the patient has signed a HIPAA form giving permission
D. Only if the patient has signed a HIPAA form giving permission
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HOSMERIT

CRAT PRACTICE TEST QUESTIONS AND VERIFIED

ANSWERS GRADE A+ 2025

What should be done when a patient reports that his or her demographic information is incorrect? A. Request written documentation B. Cross out the incorrect information C. Call the referring doctors office to request another enrollment form D. Follow the organizational procedure and correct the error immediately D. Follow the organizational procedure and correct the error immediately. In the absence of a release form, a patients health information may be shared with the patients without committing a HIPAA violation A. Child B. Spouse C. Physician D. Verbally reported power of attorney C. Physician In addition to the patients name, all of the following can be used in the patient identification process except the patients... A. Room number B. Account number C. Last four digits of SSN D. Medical record number A. Room number When is it appropriate to contact a patients family member? A. Never B. Only if the patient is non-compliant C. Only if his or her physician gives permission D. Only if the patient has signed a HIPAA form giving permission D. Only if the patient has signed a HIPAA form giving permission

A nursing home calls a cardiology office requesting that a transtelephonic pacemaker check be conducted on a new admission to the facility. The technician finds no medical record indicating that the patient has been followed by the practice. What is the technicians next step? A. Schedule a cardiology consultation B. Perform transtelephonic pacemaker check C. Ask the nursing home staff to arrange for transportation to the office D. Contact the PCP's office to obtain the prescription for transtelephonic monitoring D. Contact the PCP's office to obtain the prescription for transtelephonic monitoring A transtelephonic technicians responsible for checking pacemakers in a cardiology office note that a particular demographic area of their patient population has more problems with unpredictable disconnections during transmissions than other locations. What is the MOST APPROPRIATE next step for the technicians to take? A. Create a list of patients who have had a problem with disconnections B. Schedule the patients to come into the office with their monitors for the next pacemaker evaluation C. Contact their supervisor about discussing the issue with the department responsible for telephone services D. Ask the patients experiencing disconnections which long distance provider they are using and document it C. Contact their supervisor about discussing the issue with the department responsible for telephone services A testing facility is ordered to send a mobile cardiovascular telemetry monitor to a patient. The testing facility notifies the cardiology office that the patients primary insurance does not cover this type of service. The original order came from the patients PCP for palpitations. An appropriate next step would be to... A. Call the patient and advise them that their insurance will not cover the test B. Place a 30 - day patient-activated event monitor that is covered by the patients insurance C. Call the patient to determine whether he or she has experienced any worse symptoms than palpitations that may qualify him or her for the testing ordered D. Contact the PCP's office and explain the issue regarding coverage, offering a different type of monitor that would be covered by the patients insurance C. Contact their supervisor about discussing the issue with the department responsible for telephone services A PCP's office calls the cardiology office. For a diagnosis of syncope, she orders a 48-hour Holter monitor to be placed on a patient new to the cardiology office. The cardiology office is unable to contact the patient by phone within the following 24 hours to schedule the patients testing. What is the next step when arranging for this patients care? A. Call the PCP's office to verify contact information B. Keep trying to contact the patient by phone for at least a week

B. No legal action C. Fewer complications D. Increased patient compliance D. Increased patient compliance A monitor technician in a pediatric cardiology office offers to deliver event monitor electrode patches, which are less likely to cause skin irritation, to a patients home after work. What is this an example of? A. Customer service B. HIPAA violation C. Preventative care D. Occupational safety violation D. Occupational safety violation Which waveform represents ventricular repolarization on an ECG strip? A. P wave B. R wave C. S wave D. T wave D. T wave To get an accurate measurement on the QRS complex, measure from... A. The beginning of the Q wave to the end of the S wave B. The middle of the Q wave to the middle of the S wave C. The end of the Q wave to the end of the S wave D. Before the Q wave to after the end of the S wave A. The beginning of the Q wave to the end of the S wave The P wave on the electrocardiogram represents an electrical impulse that spreads through the... A. Atria B. Ventricles C. Bundle of His D. Purkinje Fibers A. Atria The conduction system terminates with the... A. Bundle of His B. Sinoatrial node

C. Purkinje Network D. Atrioventricular Junction C. Purkinje Network Which cardiac chamber contains MOST of the muscle mass of the heart? A. Left atrium B. Right atrium C. Left ventricle D. Right ventricle C. Left ventricle The relationship between the conducted P waves and the QRS complexes in the sinus arrhythmia will... A. Not be discernible B. Be on P wave per QRS complex C. Display varying conduction patterns D. Display a distinct ratio greater than one P wave per QRS B. Be on P wave per QRS complex In a normal sinus rhythm, the sinus node fires at a rate of... A. 40 - 60 per minute B. 61 - 100 per minute C. 101 - 150 per minute D. 151 - 180 per minute B. 61 - 100 per minute Which valves prevent backflow of blood from the aorta and pulmonary arteries into the ventricles during diastole? A. Sinoatrial B. Semilunar C. Eustachian D. Atrioventricular B. Semilunar We have an expert-written solution to this problem! Which of the following rhythms may be characterized by regular P-P and regular R-R intervals occurring at different rates? A. Wenckebach B. Atrial fibrillation C. Complete heart block

What is the length of time represented by the small, highlighted square on the graph paper? A. 0.04 seconds B. 0.40 seconds C. 4.00 seconds D. 240 seconds A. 0.04 seconds The measured PR interval in lead II is... A. 0.12 seconds B. 0.16 seconds C. 0.20 seconds D. 0.24 seconds C. 0.20 seconds This lead II ECG rhythm strip demonstrates...**** A. Complete heart block B. First degree heart block C. Second degree AVB, Mobitz type I D. Second degree AVB, Mobitz type II D. Second degree AVB, Mobitz type II Another name for a second degree AVB type I is... A. Thorell B. Einthoven C. Bachmann D. Wenkebach D. Wenkebach The arrhythmia shown in this strip is... A. Asystole B. Atrial fibrillation

C. AV disassociation D. Ventricular fibrillation A. Asystole The BEST interpretation of this rhythm is... A. Atrial fibrillation B. Supraventricular tachycardia C. Ventricular fibrillation D. Ventricular tachycardia C. Ventricular fibrillation What rhythm is displayed in leads II, III, and aVF? A. Atrial flutter with rapid ventricular response B. Atrial fibrillation with slow ventricular response C. Atrial flutter with variable ventricular response D. Atrial fibrillation with a rapid ventricular response C. Atrial flutter with variable ventricular response Atrial flutter is best described as a rapid atrial depolarization of... A. Multiple foci B. A ventricular focus C. A sinus node focus D. A single reentry focus D. A single reeentry focus This ECG demonatrates... A. Atrial flutter

A regular rhythm with a narrow QRS complex with no notes P wave and rates between 40 - 6 - bpm is known as... A. Junctional escape rhythm B. Accelerated junctional rhythm C. Idioventricular escape rhythm D. Premature ventricular contraction A. Junctional escape rhythm The first negative deflection noted in the QRS complex is which wave? A. Q wave B. S wave C. R wave D. T wave A. Q wave The measured PR interval in lead II is... A. 0.14 seconds B. 0.20 seconds C. 0.28 seconds D. 0.30 seconds B. 0.20 seconds The MOST effective ECG analysis requires the following which sequence of steps? A. Rate, P wave, PR interval, QRS complex, regularity B. P wave, PR interval, QRS complex, regularity, and rate C. PR interval, P wave, regularity, rate and QRS complex D. Regularity, rate, P wave, PR interval, and QRS complex D. Regularity, rate, P wave, PR interval, and QRS complex If a dual chamber pacemakers ventricular lead senses a non-cardiac signal, what is MOST LIKELY to occur?***** A. Atrial under sensing B. Failure to capture ventricle C. Inappropriate atrial pacing D. Failure to ventricular pace D. Failure to ventricular pace

On an ECG strip, pacemaker spikes without P waves or QRS complexes are seen. This is known as... A. Oversensing B. Failure to pace C. Failure to sense D. Loss of capture D. Loss of capture What mode of operation is exhibited in the lead II rhythm strip? A. Atrial pacing only B. Ventricular sensing only C. Atrial and Ventricular pacing D. Atrial and Ventricular sensing D. Atrial and Ventricular sensing What cardiac rhythm is shown in this presenting rhythm strip from a transtelephonic pacemaker check? A. Sinus rhythm B. Atrial fibrillation C. Paced atrial rhythm D. Paced ventricular rhythm C. Paced atrial rhythm The rhythm shown demonstrates... A. Atrial flutter B. Idioventricular rhythm C. Premature junctional contraction