tachycardia
heart rate that exceeds the normal resting rate
atrial tachycardia
type of rapid heartbeat
paroxysmal tachycardia
form of tachycardia which begins and ends in an acute (or paroxysmal) manner
ventricular tachycardia
fast heart rhythm that originates in one of the ventricles of the heart
ventricular fibrillation
disorganized electrical activity in the ventricles
junctional tachycardia
type of heart arrhythmia
sinus tachycardia
heart rate greater than 100 beats/min (bpm)