A 42-year-old member asked:
my heart rate dropped to 40 beats per minute the other day. how low can your heart beat drop before it's dangerous?
1 doctor answer
Dr. Anita Prakash answered
29 years experience Cardiology
Depends: Normal heart rate is 60-100 bpm. Having said that, in healthy, fit and conditioned individuals a resting heart rate as low as 30-40 BPM can be seen because their heart is conditioned and at rest is not needing a lot of oxygen, so does not beat fast. When that person exercises, and o2 and blood demands go up to their skeletal muscle etc, heart rate will increase. Hope that makes sense.
Answered on Jan 4, 2021
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