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32 Cards in this Set

  • Front
  • Back
Sinus Rhythm (diagnostic)
rhythm: regular
rate: 60-100 bpm
pacemaker: SA node
P waves: precedes every QRS and are consistent in shape
PR: .12 to .20 sec
QRS: .06 to .11 sec
Sinus Bradycardia (diagnostic)
rhythm: regular
rate: <60 bpm
pacemaker: SA node
P waves: precedes every QRS and are consistent in shape
PR: .12 to .20 sec
QRS: .06 to .11 sec
Sinus Arrhythmia (diagnostic)
rhythm: regularly irregular
rate: 60-100 bpm
pacemaker: SA node
P waves: precedes every QRS
PR: .12 to .20 sec
R-R: unequal (diff between shortest and longest R-R is > .16
QRS: .06 to .11 sec
Sinus Tachycardia (diagnostic)
rhythm: regular
rate: >100
pacemaker: SA node
P waves: precedes every QRS and are consistent in shape-sometimes buried in T wave
PR: .12 to .20 sec
R-R: equal
QRS: .06 to .11 sec. ST with abnormal QRS may resemble VT
Sinus Arrest (diagnostic)
rhythm: irregular
rate: 60-100 bpm
pacemaker: SA node
P waves: underlying rhythm normal P waves - no P wave when arrest occurs
PR: underlying rhythm .12 to .20 sec
R-R: unequal - pause is not a multiple of previous R-R
QRS: .06 to .11 sec
Sino-Atrial Exit Block (diagnostic)
rhythm: irregular
rate: 60-100 bpm
pacemaker: SA node
P waves: underlying rhythm normal P waves - no P wave when block occurs
PR: underlying rhythm .12 to .20 sec
R-R: unequal - pause is a multipe of previous R-R intervals
QRS: .06 to .11 sec
Wandering Pacemaker
rhythm: usually regular
rate: usually 60-100 but may be slower
pacemaker: shifts back and forth between SA node and ectopic pacemaker in atria or AV junction
P waves: gradually change in size, shape and direction
PR: varies, depends on where beat is coming from
QRS: normal unless there is a BBB - QRS follows each P wave
Premature Atrial Contraction (diagnostic)
rhythm: irregular
rate: that of the underlying rhythm
pacemaker: ectopic atrial site
P waves: size, shape, direction depend on location of pacemaker site
PR: may be normal, but are different from underlying rhythm
QRS: resembles that of underlying rhythm
Atrial Tachycardia
rhythm: regular
rate: 160-240
pacemaker: ectopic atrial site
P waves: size, shape, function depend on location of pacemaker
PR: usually normal
QRS: normal, unless BBB, each P wave followed by QRS
Paroxysmal Atrial Tachycardia
Starts stops suddenly as result as result of ectopic focus - often follows frequent PAC's which initiate the tachycardia
Supraventricular Tachycardia (SVT)
PAT or PJT
Atrial Flutter
rhythm: atrial rhythm is regular
rate: atrial average 300 bpm
pacemaker: ectopic atrial site-commonly located in the atria near the AV node
F-waves: saw-toothed appearance
PR: non
QRS: normal - no relationship between P wave and QRS
Atrial Fibrillation
rhythm: regularly irregular
rate; atrial average 400 bpm
pacemaker: ectopic atrial site (commonly located in left atria)
f waves: irregularly shaped
PR: none
QRS: normal - no relationship between P wave and QRS
Junctional Rhythm
rate: 40-60 bpm
P wave: three types
a: inverted before QRS
b: lost in QRS
c: inverted after QRS (retrograde)
Premature Junctional Complex (diagnostic)
rhythm: irregular due to PJC
rate: that of underlying rhythm
P wave: before, during or after QRS
PR: if before QRS < .12 sec
QRS: normal in shape and duration
Junctional Escape (diagnostic)
rhythm: regular
rate: 40-60 bpm
P waves: before, during, after QRS
PR: if before QRS < .12 sec
QRS: normal in shape and duration
Junctional Tachycardia
No atrial kick
rate: 100-150 bpm
rhythm: non-paroxysmal-appears to be regular but may slowly increase in rate
P wave: before, during or after QRS
PR: if before QRS < .12 sec
QRS: normal in shape and duration
Right Bundle Branch Block (diagnostic)
Prolonged QRS > 0.12
Tri-phasic rSR' complex in V1
Positive deflection
V1 most diagnostic lead
Left Bundle Branch Block (diagnostic)
Prolonged QRS > 0.12
Slurred or notched complex in V6
Inverted T wave in V6
Negative deflection in V1
V6 most diagnostic lead
Premature Ventricular Contraction (diagnostic)
Rate: normal or abnormal
Rhythm: irregular due to PVC
P wave: no related P Wave
QRS: PVC is broad, premature and increased amplitude
T wave: PVC's T wave is opposite in polarity of the QRS
Ventricular Escape Beats
Ectopic ventricular beat that occurs after long pause.
QRS: > 0.12
Idiopathic Ventricular Rhythm
Ventricular Escape Rhythm
Agonal Rhythm
Rhythm: regular or irregular
Rate: 20-40 bpm
Pacemaker: ventricles
P waves:
PR:
R-R:
QRS: wide and bizarre
Accelerated IVR
Rhythm: reg/irreg
Rate: 40-100 bpm
Pacemaker: ventricles
P waves:
PR:
R-R:
QRS: wide and bizarre
Ventricular Tachycardia
Rhythm: reg/irreg
Rate: 3 ventricular complexes > 100bpm
Pacemaker: ventricles
P waves: no relationship to QRS
PR:
R-R:
QRS: wide and bizarre
Torsades de pointes
Rhythm:
Rate: undulating pattern (twisted points)
Pacemaker:
P waves:
PR:
R-R:
QRS:
Ventricular Fibrillation
no organized depolarization of ventricles
Asystole
absence of ventricular activity
First Degree AV Block
Rhythm: regular
Rate: 60-100 bpm
Pacemaker: SA node
P waves: one per QRS
PR: > 0.20
R-R:
QRS: normal unless BBB
Second Degree AV Block Type I
Mobitz I
Wenckebach
Rhythm:
Rate:
Pacemaker:
P waves:
PR: long, longer, drop
R-R:
QRS: long longer drop
Second Degree AV Block Type II
Mobitz II
Rhythm: atrial reg/ventricular irreg
Rate:
Pacemaker:
P waves:
PR: constant
R-R:
QRS: occasional dropped beat (may be wide)
Third Degree AV Block
P waves: regular (unrelated to QRS)
P waves may be walked out
PR: no pattern or regularity
QRS: regular (unrelated to P waves)
Pacemaker
A paced
V paced
AV paced
failure to sense
failure to capture