Increases the workload of the heart, so long term, chronic can cause significant heart problems (damage to lining of arteries, resulting in atherosclerosis, increased risk of CHD and stoke) Lack of regular exercise, a high salt diet, obesity, chronic stress, family history, gender and race are risk factors.
Bradycardia is the medical term used for a low heart rate. Low pulse rates can be caused by metabolic diseases and damage to the heart structure. An imbalance in electrolytes and some medications can also cause your pulse to drop.
Quick Answer. A malfunction in the sinus node in the heart may cause sinus bradycardia, according to the Heart Rhythm Society. The sinus node, located in the right atrium of the heart, may misfire, wear out or slow down over time, and these problems can lead to an abnormally slow heart rate. Slow heart rates generally go below 60 beats per minute.