2,3,4- Cardiac Rhythms Flashcards
Regularity: None
Rate: None
PWave: None
PRI: None
QRS: None
Asystole
Regularity: Underlying regular or irregular
Rate: Same as underlying rhythm
PWave: None
PRI:
QRS: Wide and bizarre, different QRS configuration
Premature ventricular complex
Regularity: Regular PPI and RRI
Rate: Normal SA, normal Ventricular
PWave: More p waves than QRS
PRI: None, no relationship
QRS: Normal or wide
Third degree (complete) heart block
Regularity: Depends on underlying rhythm
Rate: Depends on underlying rhythm
PWave: Uniform, married to each QRS
PRI: Constant, greater than .20 sec
QRS: Normal
First degree heart block
Regularity: Usually regular
Rate: 20-40
PWave: No P waves
PRI: None
QRS: Wide and bizarre
Idioventricular
Regularity: Usually regular
Rate:(V) 150-250
PWave: None
PRI: None
QRS: Wide and bizarre
Ventricular Tachycardia
Regularity: Irregular R to R
Rate: Some beats not conducted
PWave: Upright, uniform
PRI: Progressively longer
QRS: Normal
2nd Degree Type 1 (Wenckebach) heart block
Regularity: Irregular R to R
Rate: Depends on underlying rate
PWave: Before or after QRS, inverted if visible
PRI: None
QRS: Normal
Premature Junctional Complex
Regularity: Regular
Rate: 100-180
PWave: Before or after QRS, inverted if visible
PRI: None
QRS: Normal
Junctional Tachycardia
Regularity: Regular
Rate: 40-60
PWave: Before of after QRS, inverted if after
PRI: None
QRS: Normal
Junctional Escape Rhytm
Regularity: Regular
Rate: 60-100
PWave: Normal
PRI: Normal
QRS: Normal
Normal sinus rhythm
Regularity: R-R varies, can be slightly irregular
Rate: Usually normal, can be slower
PWave: Changing morphology, 1:1
PRI: Varies slighlty
QRS: Normal
Wandering atrial pacemaker
Regularity: Rgular
Rate: 60-100
PWave: Before or after QRS, none, inverted if visible
PRI: None
QRS: Normal
Accelerated Junctional Rhythm
Regularity: (A) Unmeasurable, chaotic (V) Grossly irregula
Rate: (V) Under or over 100 (changes type of rhythm)
PWave: None
PRI: None
QRS: Normal
Atrial Fibrillation
Regularity: Totally chaotic
Rate: Unable to determine
PWave: None
PRI: None
QRS: Unable to determine
Ventricular Fibrillation
Regularity: Regular
Rate: (A/V) Less than 60
PWave: Uniform and married
PRI: Normal
QRS: Normal
Sinus Bradycardia
Regularity: R-R changes (possibly w/ respiration’s)
Rate: A/V are equal
PWave: Uniform, married
PRI: Normal
QRS: Normal
Sinus Arrhythmia
Regularity: Regular
Rate: A/V equal, 150-250
PWave: Different morphology, Pwaves can be hidden
PRI: Normal if obtained
QRS: Normal
Atrial Tachycardia
Regularity: Normal R-R, depending on conduction ratio
Rate: (A) 60-100 (V) Less than 60
PWave: Upright, more pwaves that QRS
PRI: May be long
QRS: Normal
2nd Degree type 2 (Mobitz 2) Heart block
Regularity: Regular
Rate: (A) 250-350, (V) depends on impulses conducted to AV
PWave: Well-defined
PRI: Often impossible to determine
QRS: Normal, can be covered
Atrial Flutter
Regularity: Depends on underlying rhythm
Rate: Depends on underlying rhythm
PWave: Different morphology, flattened, notched, unusual
PRI: Normal
QRS: Normal
Premature Atrial Complex
Regularity: Regular
Rate: A/V usually over 100
PWave: Normal
PRI: Normal
QRS: Normal
Sinus Tachycardia
