what causes slow heart beats
There are many causes of slow heartbeat, and they range from mild to serious. A slow heartbeat may be caused by cardiovascular disorders or diseases such as: Cardiac arrhythmias. Cardiomyopathy (weakened or abnormal heart muscle and function) Cardiovascular disease (due to atherosclerosis, hardening of the arteries, or other causes) Sinus node disease (abnormality of the heartâs internal pacemaker)