Heart & Cardiology/Low HR on occassion

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Question
Hi Dr. Tort,

I'm 40 and fairly fit (no super athlete) but I play tennis regularly.  I think my normal resting HR is mid to high 50s.  Sometimes on days like today when I'm sleepy (only slept about 3 hours last night) and when I'm sitting around idle at my desk, I will notice the HR gets pretty low, as in 45-48 bpm.  Other than feeling sleepy, I feel fine.  No dizziness or light headedness.  

I put the BP monitor on and go these readings:

HR: 46
BP  135/84

My typical BP is 118-125 over 75.  I was surprised it was higher especially given my HR was so low.

Does it sound like I may have a problem or can this all be "normal"?

Thanks,
Jimmy

Answer
Hi Jimmy,
No blood pressure reading should be looked at in isolation, and your heart rate is of no concern from what you have told me. Whether you should be concerned about your heart I don't know, but read this:
http://www.cardiachealth.org/your-heart-rate
http://www.cardiachealth.org/cardiovascular-health-factors-atherosclerosis-treat
http://www.cardiachealth.org/app/risk-assessment.php
Hope this helps,
Dr T
http://www.cardiachealth.org/

Heart & Cardiology

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