A member asked:

I have dysautonomia and a low resting heart rate of 44-50 when laid down. sinus bradycardia. to determine if bradycardia is normal or causing symptoms can atropine be used as a test?

A doctor has provided 1 answer
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

If you have autonomic dysfunction, your heart rate will not go up 10 beats when you change the position suddenly from supine to standing up, your blood pressure may drop and you will feel lightheadedness. We use Atropine to treat symptomatic bradycardia but not using it for test.

Answered 8/13/2021

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