Reflex bradycardia is a reflexive response from the autonomic nervous system that causes the heart rate to slow. Triggers may include submerging in cold water or physical pressure on certain body ...

Sleep bradycardia is a slow heart rate during sleep. It may be a natural, healthy sleep response or a sign of an underlying health issue. Most healthy adults have a heart rate between 60 and 100 beats ...

Atropine has long been used to treat abnormally slow heart rate in emergency situations by altering the way electrical signals move through the heart. Bradycardia is an especially slow heartbeat and a ...