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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Low Resting Pulse Rate?

Hi,



I am a runner who has had a low resting heart rate for the past few years <60. Since the fall I have started having unexplained shortness of breath which goes away for short periods (x1 week) and then comes back. When I started checking my pulse again it haas been droping below 50 (45-48) coudl this be the cause?
Fri, 17 Mar 2017
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Internal Medicine Specialist 's  Response
a low resting heart rate in runners and athletes is due to increased vagal tone which is normal. However the cause for shortness of breath needs to be evaluated. i would suggest
1) baseline Ecg
2) 2D Echocardiogram
3) Chest xray
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What Causes Low Resting Pulse Rate?

a low resting heart rate in runners and athletes is due to increased vagal tone which is normal. However the cause for shortness of breath needs to be evaluated. i would suggest 1) baseline Ecg 2) 2D Echocardiogram 3) Chest xray