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
Premature Atrial Complexes - P:QRS
1:1
Atrial Flutter - Rate
variable
Atrial Flutter - Rhythm
variable
Atrial Flutter - P waves
none, just “F” or flutter waves “Sawtooth” pattern
Atrial Flutter - PRI
none
Atrial Flutter - QRS
narrow
Atrial Flutter - P:QRS
no ratio
Atrial Fibrillation - Rate
variable
Atrial Fibrillation - Rhythm
irregularly, irregular
Atrial Fibrillation - P waves
none, chaotic baseline
Atrial Fibrillation - PRI
none
Atrial Fibrillation - QRS
narrow
Atrial Fibrillation - P:QRS
no ratio
Paroxysmal Supra-ventricular Tachycardia - Rate
180 to 260 bpm
Paroxysmal Supra-ventricular Tachycardia - Rhythm
regular, but with sudden starts and stops
Paroxysmal Supra-ventricular Tachycardia - P waves
usually none
Paroxysmal Supra-ventricular Tachycardia - PRI
none
Paroxysmal Supra-ventricular Tachycardia - QRS
< 0.12 seconds
Paroxysmal Supra-ventricular Tachycardia - P:QRS
none
Premature Junctional Complexes - Rate
depends on underlying rhythm
Premature Junctional Complexes - Rhythm
irregular
Premature Junctional Complexes - P waves
variable
Premature Junctional Complexes - PRI
varies with early beat
Premature Junctional Complexes - QRS
narrow
Premature Junctional Complexes - P:QRS
varies
Junctional Escape Beats - Rate
depends on underlying rhythm
Junctional Escape Beats - Rhythm
irregular
Junctional Escape Beats - P waves
varies
Junctional Escape Beats - PRI
< 0.12 seconds
Junctional Escape Beats- QRS
< 0.12 seconds
Junctional Escape Beats - P: QRS
varies
Junctional Escape Rhythm - Rate
40 to 60
Junctional Escape Rhythm - - Rhythm
regular
Junctional Escape Rhythm - -P waves
varies
Junctional Escape Rhythm - - PRI
<0.12 seconds
Junctional Escape Rhythm - -QRS
narrow
Junctional Escape Rhythm - -P: QRS
varies
Accelerated Junctional Rhythm - Rate
60 to 100
Accelerated Junctional Rhythm - Rhythm
regular
Accelerated Junctional Rhythm - P waves
varies
Accelerated Junctional Rhythm - PRI
< 0.12 seconds
Accelerated Junctional Rhythm - QRS
narrow
Accelerated Junctional Rhythm - P:QRS
varies
Junctional Tachycardia - Rate
greater than 100
Junctional Tachycardia - Rhythm
regular
Junctional Tachycardia - P waves
varies
Junctional Tachycardia - PRI
< 0.12 seconds
Junctional Tachycardia - QRS
narrow
Junctional Tachycardia - P:QRS
varies