ECG basics NYU latest
update with complete
verified solutions (graded
A+)
atrial depolarization - answer P wave; initiated by the SA node
ventricular depolarization - answer QRS complex
PR interval - answer depicts how long the impulse takes to travel from the
SA node to the AV node
60-100 - answer SA node rate
40-60 - answer AV node rate
15-40 - answer purkinje fiber rate
20-40 - answer ventricle rate
.04 - answer small box on ECG
0.12-0.20 (3-5 boxes) - answer normal PR interval
ventricular repolarization - answer ST segment and T wave
sinus block - answer RR regular until there is a pause with no impulse
update with complete
verified solutions (graded
A+)
atrial depolarization - answer P wave; initiated by the SA node
ventricular depolarization - answer QRS complex
PR interval - answer depicts how long the impulse takes to travel from the
SA node to the AV node
60-100 - answer SA node rate
40-60 - answer AV node rate
15-40 - answer purkinje fiber rate
20-40 - answer ventricle rate
.04 - answer small box on ECG
0.12-0.20 (3-5 boxes) - answer normal PR interval
ventricular repolarization - answer ST segment and T wave
sinus block - answer RR regular until there is a pause with no impulse