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Doctors Lounge - Cardiology Answers
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| jaobryan
- Sun Sep 09, 2007 5:11 pm |
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I am a 39 year old woman and have been training for the Chicago Marathon. Recently, I have been trying to pass out. I get dizzy, feel faint, heart racing, hands numb and get shaky. I have not passed out yet, but sometimes I come very close. I also have noticed that when I get this way, I feel as if the blood has completely drained from my head. I had a physical prior to beginning to train and everything was perfect. No cholestrol problems, bp was fine, no heart problems and was not overwieght. I am in perfect health. I have lost about 15 pounds in the process but am still at a very healthy weight. Could this be low blood sugar, overtraining, fatigue or anxiety due to the impending race? Thanks for the advise.
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| Dr. Chan Lowe
- Sun Sep 09, 2007 8:50 pm |
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 Hi Jaobryan,
Low blood sugar, anxiety, and fatigue can all cause episodes of fainting feelings. I would recommend you see your doctor for an evaluation to be sure nothing dangerous is going on.
Best wishes.
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