CARDIAC RHYTHM EXAM PREP-BASIC LEVEL

CARDIAC RHYTHM EXAM PREP-
BASIC LEVEL
Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - ANS>>Normal sinus rhythm

Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - ANS>>Sinus Bradycardia

Regular
Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec - ANS>>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 - ANS>>Premature Atrial Contraction

IRREGULAR
Atrial rate: UNMEASURABLE
Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec - ANS>>Atrial Fibrillation

IRREGULAR
Ventricular rate: 100-175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec - ANS>>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 - ANS>>Atrial Flutter

Regular
Rate: 150-350
P wave: Hidden in QRS or T wave
PR: unable to determine
QRS: <0.12 sec - ANS>>Supraventricular Tachycardia

Regular
Rate: 40-60
P Wave: ABSENT or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec - ANS>>Junctional Rhythm

Regular
Rate: 60-100
P Wave: NONE or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec - ANS>>Accelerated Junctional Rhythm

Regular
Rate: >100
P Wave: NONE or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec - ANS>>Junctional Tachycardia

IRREGULAR
Rate: refer to underlying rhythm
P Wave: NONE
PR Interval: N/A
QRS: WIDE and BIZARRE , >0.12 sec - ANS>>Premature Ventricular Contraction

Regular
Rate: >100
P Wave: NONE
PR Interval: N/A
QRS: WIDE and BIZARRE, >0.12 sec - ANS>>Ventricular Tachycardia

Chaotic
Coarse: big waves
Fine: small waves
Rate: unmeasurable
P Wave: NONE
PR Interval: N/A