FUNDAMENTALS OF ECG AND BASIC
DYSRHYTHMIAS- PART 2 – RHYTHMS
EXAM QUESTIONS & VERIFIED
COMPLETE ANSWERS
You would not see a _____ on an ECG strip with supraventricular tachycardia - correct answer
✔✔Normal PR Interval
Which of the following conditions may cause sinus tachycardia? - correct answer
✔✔Dehydration
When deciding if or how to intervene when a patient is experiencing sinus bradycardia, it is
critical to focus primarily on readings from the ECG monitor. - correct answer ✔✔False
Which of the following is an accurate statement about sinus bradycardia? - correct answer
✔✔Atrial and ventricular rate is 40-60 beats per minute
To be identified as accelerated junctional rhythm, the ventricular rate must reach - correct
answer ✔✔60-100 beats per minute
What rhythm is initiated by the SA node and transmitted through the atria, AV junction, bundle
branches, and Purkinje fibers? - correct answer ✔✔sinus
In sinus arrhythmia, which of the following intervals remains regular? - correct answer ✔✔PR
interval
, When atropine is ineffective for symptomatic sinus bradycardia, what would be your next
intervention? - correct answer ✔✔Transcutaneous pacing
What is the heart's electrical activity dominated by? - correct answer ✔✔SA node
What is the appropriate treatment for an unstable patient with atrial flutter and an uncontrolled
ventricular response; HR >150 beats per minute? - correct answer ✔✔Synchronized
cardioversion
When evaluating a patient with sinus arrest, count the number of boxes between the P waves,
and multiply that number by - correct answer ✔✔0.04
When you have a regular atrial and ventricular rhythm with a normal QRS and PRI, and the atrial
and ventricular rate is between 100-150 bpm, this rhythm would be identified as a - correct
answer ✔✔sinus tachycardia
Which medication therapy is first-line treatment for stable supraventricular tachycardia (SVT)? -
correct answer ✔✔Adenosin
Which of the following drugs may cause sinus bradycardia? - correct answer ✔✔Digoxin
Which of the following arrhythmias are you likely to see with patients on ventilators, infants and
children, and with the elderly? - correct answer ✔✔Sinus arrhythmia
What is the heart's secondary pacemaker? - correct answer ✔✔AV junction
Which of the following statements is incorrect about premature atrial complexes (PACs)? -
correct answer ✔✔The PAC needs to be counted in the underlying rhythm.
DYSRHYTHMIAS- PART 2 – RHYTHMS
EXAM QUESTIONS & VERIFIED
COMPLETE ANSWERS
You would not see a _____ on an ECG strip with supraventricular tachycardia - correct answer
✔✔Normal PR Interval
Which of the following conditions may cause sinus tachycardia? - correct answer
✔✔Dehydration
When deciding if or how to intervene when a patient is experiencing sinus bradycardia, it is
critical to focus primarily on readings from the ECG monitor. - correct answer ✔✔False
Which of the following is an accurate statement about sinus bradycardia? - correct answer
✔✔Atrial and ventricular rate is 40-60 beats per minute
To be identified as accelerated junctional rhythm, the ventricular rate must reach - correct
answer ✔✔60-100 beats per minute
What rhythm is initiated by the SA node and transmitted through the atria, AV junction, bundle
branches, and Purkinje fibers? - correct answer ✔✔sinus
In sinus arrhythmia, which of the following intervals remains regular? - correct answer ✔✔PR
interval
, When atropine is ineffective for symptomatic sinus bradycardia, what would be your next
intervention? - correct answer ✔✔Transcutaneous pacing
What is the heart's electrical activity dominated by? - correct answer ✔✔SA node
What is the appropriate treatment for an unstable patient with atrial flutter and an uncontrolled
ventricular response; HR >150 beats per minute? - correct answer ✔✔Synchronized
cardioversion
When evaluating a patient with sinus arrest, count the number of boxes between the P waves,
and multiply that number by - correct answer ✔✔0.04
When you have a regular atrial and ventricular rhythm with a normal QRS and PRI, and the atrial
and ventricular rate is between 100-150 bpm, this rhythm would be identified as a - correct
answer ✔✔sinus tachycardia
Which medication therapy is first-line treatment for stable supraventricular tachycardia (SVT)? -
correct answer ✔✔Adenosin
Which of the following drugs may cause sinus bradycardia? - correct answer ✔✔Digoxin
Which of the following arrhythmias are you likely to see with patients on ventilators, infants and
children, and with the elderly? - correct answer ✔✔Sinus arrhythmia
What is the heart's secondary pacemaker? - correct answer ✔✔AV junction
Which of the following statements is incorrect about premature atrial complexes (PACs)? -
correct answer ✔✔The PAC needs to be counted in the underlying rhythm.
