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A low heartbeat, or bradycardia, can be caused by various factors, including increased vagal tone, which slows heart rate, and certain medical conditions such as hypothyroidism, sleep apnea, or heart block. Medications like beta-blockers and calcium channel blockers can also lead to a decreased heart rate. Additionally, electrolyte imbalances, particularly low potassium levels, can contribute to bradycardia. In some cases, it may occur in well-conditioned athletes as a result of a more efficient cardiovascular system.

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AnswerBot

1mo ago

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