EKG Exam NYU Langone Questions and
Correct Answers Updated
Question 1
How to differentiate between normal sinus rhythm and sinus arrhythmia
Correct Answer
the distance between each R (peak in QRS wave) is different and NOT the same
within a strip
Question 2
The term multifocal PVCs refers to PVCs which are:
a. frequently from the same ventricular focus
b. occur in a specific pattern
c. originate from different ventricular foci
d. occur in runs of 3 or more in a row
Correct Answer
c. originate from different ventricular foci
Question 3
What is the normal range of the PR interval?
Correct Answer
0.12-0.20
Question 4
Which of the following is a characteristic of atrial flutter?
Correct Answer
tombstone pattern
Page 1 of 26
,Question 5
Which of the following is a characteristic of premature ventricular contractions
(PVC's)?
a. the QRS complex is greater than 0.12 sec
b. the P-wave is inverted
c. there is a prolonged PR interval
d. the QRS complex is less than 0.12 sec
Correct Answer
a. the QRS complex is greater than 0.12 sec
wide and bizarre!
Question 6
Which of the following is true about the R on T phenomenon
a. it may cause the atria to fibrillate
b. it may precipitate a run of ventricular tachycardia
c. it is only dangerous when the patient has a ventricular pacemaker
d. it is treated by administering a potassium supplement
Correct Answer
b. it may precipitate a run of ventricular tachycardia
Question 7
What bpm rate is Sinus Tachycardia on a strip?
Correct Answer
101-160 bpm
Question 8
Which of the following is true about V-fib?
a. it can be mimicked by artifact on the ECG
b. it is never accompanied by a peripheral pulse
c. it is treated with CPR and defibrillation
d. all of the above
Correct Answer
d. all of the above
Page 2 of 26
, Question 9
Second Degree Heart Block Type 2
Correct Answer
1. PR is either normal or prolonged
- but ALWAYS the same length
2. There will be random missing QRS intervals
Treatment
- pacemaker
- atropine
Question 10
Which of the following is the treatment of choice for V-tach without a pulse?
Correct Answer
defibrillation
Question 11
Select the statement about cardio version which is correct
a. the delivery of electrical current must be synchronized to the T-wave
b. the patient should be awake and alert to be sure of the response to cardio version
c. cardio version may be utilized for unstable rapid atrial and ventricular dysrhythmias
d. a minimum of 200 joules must be delivered to achieve cardio version
Correct Answer
c. cardio version may be utilized for unstable rapid atrial and ventricular
dysrhythmias
Question 12
Which node independently conducts a rate of 40-60 in an adult patient?
Correct Answer
AV node
Page 3 of 26
Correct Answers Updated
Question 1
How to differentiate between normal sinus rhythm and sinus arrhythmia
Correct Answer
the distance between each R (peak in QRS wave) is different and NOT the same
within a strip
Question 2
The term multifocal PVCs refers to PVCs which are:
a. frequently from the same ventricular focus
b. occur in a specific pattern
c. originate from different ventricular foci
d. occur in runs of 3 or more in a row
Correct Answer
c. originate from different ventricular foci
Question 3
What is the normal range of the PR interval?
Correct Answer
0.12-0.20
Question 4
Which of the following is a characteristic of atrial flutter?
Correct Answer
tombstone pattern
Page 1 of 26
,Question 5
Which of the following is a characteristic of premature ventricular contractions
(PVC's)?
a. the QRS complex is greater than 0.12 sec
b. the P-wave is inverted
c. there is a prolonged PR interval
d. the QRS complex is less than 0.12 sec
Correct Answer
a. the QRS complex is greater than 0.12 sec
wide and bizarre!
Question 6
Which of the following is true about the R on T phenomenon
a. it may cause the atria to fibrillate
b. it may precipitate a run of ventricular tachycardia
c. it is only dangerous when the patient has a ventricular pacemaker
d. it is treated by administering a potassium supplement
Correct Answer
b. it may precipitate a run of ventricular tachycardia
Question 7
What bpm rate is Sinus Tachycardia on a strip?
Correct Answer
101-160 bpm
Question 8
Which of the following is true about V-fib?
a. it can be mimicked by artifact on the ECG
b. it is never accompanied by a peripheral pulse
c. it is treated with CPR and defibrillation
d. all of the above
Correct Answer
d. all of the above
Page 2 of 26
, Question 9
Second Degree Heart Block Type 2
Correct Answer
1. PR is either normal or prolonged
- but ALWAYS the same length
2. There will be random missing QRS intervals
Treatment
- pacemaker
- atropine
Question 10
Which of the following is the treatment of choice for V-tach without a pulse?
Correct Answer
defibrillation
Question 11
Select the statement about cardio version which is correct
a. the delivery of electrical current must be synchronized to the T-wave
b. the patient should be awake and alert to be sure of the response to cardio version
c. cardio version may be utilized for unstable rapid atrial and ventricular dysrhythmias
d. a minimum of 200 joules must be delivered to achieve cardio version
Correct Answer
c. cardio version may be utilized for unstable rapid atrial and ventricular
dysrhythmias
Question 12
Which node independently conducts a rate of 40-60 in an adult patient?
Correct Answer
AV node
Page 3 of 26
