ECG 1 Flashcards
QRS Complexes
keep us alive
Treat the patient
not the monitor
CASH
C = chest pain or cyanosis A= altered mental status S= shortness of breath or syncope H = hypotension
Normal Sinus Rhythm - Rate
60 to 100
Normal Sinus Rhythm - Rhythm
regular
Normal Sinus Rhythm - P waves
present
Normal Sinus Rhythm - PRI
0.12 to 0.20 sec
Normal Sinus Rhythm - QRS
<0.12 sec (narrow)
Normal Sinus Rhythm -P:QRS
1:1
Sinus Bradycardia - rate
<60
Sinus Bradycardia - rhythm
regular
Sinus Bradycardia - P waves
upright
Sinus Bradycardia - PRI
usually normal
Sinus Bradycardia - QRS
narrow
Sinus Bradycardia - P:QRS
1:1
Sinus Tachycardia - Rate
> 100
Sinus Tachycardia - Rhythm
regular
Sinus Tachycardia - P waves
present
Sinus Tachycardia - PRI
normal
Sinus Tachycardia - QRS
narrow
Sinus Tachycardia - P:QRS
1:1
Sinus Arrhythmia - Rate
usually 60-100
Sinus Arrhythmia - Rhythm
irregular with respiratory cycle
Sinus Arrhythmia - P waves
present
Sinus Arrhythmia - PRI
normal
Sinus Arrhythmia - QRS
narrow
Sinus Arrhythmia - P:QRS
1:1
Premature Atrial Complexes - Rate
30 - 150 (underlying rhythm)
Premature Atrial Complexes - Rhythm
irregular (due to early extra beats)
Premature Atrial Complexes - P waves
present, PAC P waves may appear different
Premature Atrial Complexes - PR interval
normal
Premature Atrial Complexes - QRS
normal