A 46-year-old member asked:
can you define sinus bradycardia?
2 doctor answers
Dr. Christopher Dowd answered
19 years experience Internal Medicine
Yes: A slow heart rate in which the electrical signal for each heartbeat originates from the sinus node (where it's supposed to originate). Generally, in an adult, this means a heart rate of less than 60. But keep in mind you can have a heart rate less than 60 and still be okay. For example many good athletes, whose hearts are in great shape, have resting heart rates less than 60.
Answered on Apr 30, 2019
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