What are the possible cause of a low heart rate?
2. Age
3. Being asleep or comatose or dead.
4. Brachychardia (whatever specifically?!)
Any other possibilities? How about a unexpected sleep routine, or meditation, or medications/drugs/anaesthetics...
Answers: How about inheritance. My family on my father side has a history of heart problems one of which is a low heart rate(around 50) middle-of-the-road is around 60 to 80.
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