heart arrhythmia
group of conditions in which the heartbeat is irregular, too fast, or too slow
ectopic beat
cardiac arrhythmia
Quatrefoil reentry
type of cardiac arrhythmia
Automatic tachycardia
medical condition
tachycardia
heart rate that exceeds the normal resting rate
long QT syndrome
condition involving delayed repolarization of the heart during the heartbeat cycle
Ashman phenomenon
medical condition
bradycardia
heart rate that is below the normal range
premature heart beat
heart rhythm disorder
dysrhythmia
abnormal or irregular heartbeat
ectopic pacemaker
excitable group of cells that causes a premature heart beat
Pacemaker syndrome
disease that represents the clinical consequences of suboptimal atrioventricular (AV) synchrony or AV dyssynchrony, regardless of the pacing mode, after pacemaker implantation
sinus arrhythmia
irregular heart rate caused by abnormal function of the sinoatrial node
Holiday heart syndrome
medical condition
pre-excitation syndrome
medical condition
sudden unexpected death syndrome
Condition which results in sudden death through unknown causes, usually of young adults.
palpitation
perceived cardiac abnormality in which one’s heartbeat can be felt