EKG Normal Values Flashcards
1 small square
0.04 sec
25 small squares
1.0 sec
3 small boxes
0.12 sec
30 larges boxes
6 sec strip
Normal Sinus Rhythm
60 - 100 bpm
P Wave Duration
0.06 - 0.11 sec (< 3 small squares)
P Wave Amplitude
< 2.5 mm height
PR Interval
0.12 - 0.20 sec
QRS Complex
0.06 - 0.12 sec
QT Interval
0.34 - 0.43 sec
ST Segment
0.08 - 0.12 sec
Pathological Q
Infarction; 0.04 wide and > 1/3 height of R wave
T Wave
< 0.5 mV
U Wave
< 2 mm amplitude
Bradycardia
< 60 bpm
Tachycardia
> 100 160 bpm
Atrial Rhythms
Supraventricular Tachycardia
Supraventricular Tachycardia
150 250 bpm; normal or prolonged QRS Complex (> 0.12 sec)
Atrial Flutter
200 - 430 bpm; No Atrial Kick
1st degree AV Block
prolonged PR Interval (> 0.20 sec)
2nd degree AV Block
PRI increasingly prolonged; QRS Complex dropped in repeating pattern
3rd degree AV Block
QRS Complex wide (> 0.12 sec); 30 - 40 bpm; P not r/t RS
Ventricular Dysrhythmia
Premature Ventricular Contractions, Ventricular Tachycardia, Ventricular Fibrillation, Torsades des Pointes
Premature Ventricular Contraction
QRS Complex wide (> 0.12 sec)
Ventricular Tachycardia
Premature Ventricular Contraction PVCs in a row > x3; > 100 - 250 bpm; QRS is wide and bizarre; No P or T waves
Sustained Tachycardia
If Vetricular Tachycardia is sustained for 30 sec; Ventricular Tachycardia is Premature Ventricular Contraction PVCs in a row > x3
Ventricular Fibrillation
300 - 600 bmp; no P wave
Torsades de pointes
Twisting of two points
0.04 sec
1 small square
1.0 sec
25 small squares
0.12 sec
3 small boxes
6 sec strip
30 larges boxes
60 - 100 bpm
Normal Sinus Rhythm
0.06 - 0.11 sec (< 3 small squares)
P Wave Duration
< 2.5 mm height
P Wave Amplitude
0.12 - 0.20 sec
PR Interval
0.06 - 0.12 sec
QRS Complex
0.34 - 0.43 sec
QT Interval
0.08 - 0.12 sec
ST Segment
Infarction; 0.04 wide and > 1/3 height of R wave
Pathological Q
< 0.5 mV
T Wave
< 2 mm amplitude
U Wave
< 60 bpm
Bradycardia
> 100 160 bpm
Tachycardia
Supraventricular Tachycardia
Atrial Rhythms
150 250 bpm; normal or prolonged QRS Complex (> 0.12 sec)
Supraventricular Tachycardia
200 - 430 bpm; No Atrial Kick
Atrial Flutter
prolonged PR Interval (> 0.20 sec)
1st degree AV Block
PRI increasingly prolonged; QRS Complex dropped in repeating pattern
2nd degree AV Block
QRS Complex wide (> 0.12 sec); 30 - 40 bpm; P not r/t QRS
3rd degree AV Block
Premature Ventricular Contractions, Ventricular Tachycardia, Ventricular Fibrillation, Torsades des Pointes
Ventricular Dysrhythmia
QRS Complex wide (> 0.12 sec)
Premature Ventricular Contraction
Premature Ventricular Contraction PVCs in a row > x3; > 100 - 250 bpm; QRS is wide and bizarre; No P or T waves
Ventricular Tachycardia
If Vetricular Tachycardia is sustained for 30 sec; Ventricular Tachycardia is Premature Ventricular Contraction PVCs in a row > x3
Sustained Tachycardia
300 - 600 bmp; no P wave
Ventricular Fibrillation
Twisting of two points
Torsades de pointes