Chapter 61

Question 1

Which of the following is an abnormal finding in an ambulatory ECG recording?
A. Sinus bradycardia with heart rates of 35-40 bpm
B. sinus arrhythmia with pauses exceeding 3 seconds
C. wandering atrial pacemaker
D. type II second-degree AV conduction

Answer 1

D

The ff can be observed and are not necessarily abnormal
Sinus bradycardia with heart rates of 35-40 bpm
sinus arrhythmia with pauses exceeding 3 seconds,
sinoatrial exit block,
type I (Wenckebach) second-degree AV block (often during sleep),
wandering atrial pacemaker,
junctional escape complexes,
PACs and PVCs

Question 2

Which device can detect AF in 30 seconds with 100% diagnostic yield?
A. Apple watch
B. Pulse smart
C. Kardia mobile
D. ECG Check

Answer 2

C