ANSWERS|LATEST UPDATE 2025|ALREADY GRADED A+RELIAS
ADVANCED DYSRHYTHMIA EXAM A QUESTIONS AND
ANSWERS|LATEST UPDATE 2025|ALREADY GRADED A+
Normal sinus rhythm - Correct answer~ Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Bradycardia - Correct answer~ Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Tachycardia - Correct answer~ Regular
Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Premature Atrial Contraction - Correct answer~ IRREGULAR
Rate: depends on underlying rhythm
P wave: Present or hidden in T wave
, PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Atrial Fibrillation - Correct answer~ IRREGULAR
Atrial rate: UNMEASURABLE
Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec
A fib RVR - Correct answer~ IRREGULAR
Ventricular rate: 100-175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec
Atrial Flutter - Correct answer~ Usually REGULAR can be irregular
Atrial rate: 250-350
Ventricular rate: variable BUT < atrial rate
P Wave: Flutter
PR Interval: N/A
QRS: <0.12 sec
Supraventricular Tachycardia - Correct answer~ Regular
Rate: 150-350
P wave: Hidden in QRS or T wave
PR: unable to determine
QRS: <0.12 sec