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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Could Cause Sudden Passing Out, Dizziness, Profuse Sweating In A Teenager After Working Out In The Gym?

My 14 year old daughter keeps passing out. She gets dizzy, clammy, starts sweating profusely and then she says everything turns black. This all happens when she exerts herself like in gym class. Her gym teacher says that she becomes unresponsive and her pupils get very dilated. She s had a holter monitor, ekg, stress test, and an echocardiogram and they all are normal. What do I do now?
posted on Tue, 8 Apr 2014
Twitter Sun, 15 Jan 2017 Answered on
Twitter Mon, 16 Jan 2017 Last reviewed on
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  Anonymous's Response
's  Response
This sounds very much like a syncope. Most of the workup has already be done. I would recommend to add a tilt-table test, a doppler-sonogram of the cerebral arteries and to check the glucose by fingerstick measurement after a spill occured. there are several questions a doctor can ask to ascertain himself that this can't be a seizure (I guess this was the case), in doubt an MRI and EEG should be performed.
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What Could Cause Sudden Passing Out, Dizziness, Profuse Sweating In A Teenager After Working Out In The Gym?

This sounds very much like a syncope. Most of the workup has already be done. I would recommend to add a tilt-table test, a doppler-sonogram of the cerebral arteries and to check the glucose by fingerstick measurement after a spill occured. there are several questions a doctor can ask to ascertain himself that this can t be a seizure (I guess this was the case), in doubt an MRI and EEG should be performed.