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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Fainting?

My 37 year old, healthy son who ran 1300 miles last year, fainted in the middle of the night when he got up to urinate. He believes he was hypotensive and tachycardia and was dehydrated. He is on track to run 2200 miles this year training for a 50 mile run. Any ideas?

Tue, 17 Mar 2015
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What Causes Fainting?