v1
v3
v5
positive
negative
PR
QRS
p wave
ST segment
QT interval
sinus tachycardia
sinus arrhythmia
Atrial Fibrillation
Atrial Flutter
Supraventricular Tachycardia
Junctional Rhythm
Accelerated Junctional Rhythm
Idioventricular Rhythm
Ventricular Tachycardia
Ventricular Fibrillation
Asystole