Relias dysrhythmia basic a – 2026 – complete practice test with verified
answers
Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - -Normal sinus rhythm
--Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - -Sinus Bradycardia
--Regular
Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - -Sinus Tachycardia
--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 - -Premature Atrial Contraction
--IRREGULAR
Atrial rate: UNMEASURABLE
, Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec - -Atrial Fibrillation
--IRREGULAR
Ventricular rate: 100-175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec - -A fib RVR
--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 - -Atrial Flutter
--Regular
Rate: 150-350
P wave: Hidden in QRS or T wave
PR: unable to determine
QRS: <0.12 sec - -Supraventricular Tachycardia
--Regular
Rate: 40-60
P Wave: ABSENT or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec - -Junctional Rhythm
answers
Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - -Normal sinus rhythm
--Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - -Sinus Bradycardia
--Regular
Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - -Sinus Tachycardia
--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 - -Premature Atrial Contraction
--IRREGULAR
Atrial rate: UNMEASURABLE
, Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec - -Atrial Fibrillation
--IRREGULAR
Ventricular rate: 100-175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec - -A fib RVR
--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 - -Atrial Flutter
--Regular
Rate: 150-350
P wave: Hidden in QRS or T wave
PR: unable to determine
QRS: <0.12 sec - -Supraventricular Tachycardia
--Regular
Rate: 40-60
P Wave: ABSENT or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec - -Junctional Rhythm