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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Sudden Blackout While Driving?

I am in full blown menopause and experienced a blackout while driving I hit another car and was unaware what happened , the police came AND EVEN AFTER a blow test they were still suspect that I was drunk or on something . I couldn t understand what happened and then I found this websight I was completely devastated , I had been blleding heavy that sday ad it was100 degrees as well as dehydrayted.??
Mon, 23 Feb 2015
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Radiologist,  's  Response
Hi,
Thanks for writing in.

Blackout or dizziness can be due to many reasons and can happen due to decreased blood flow from heart to brain. When it happens, the blood flowing through the vessels from heart to brain might have a reduced flow. These are by the carotid and vertebral arteries on either sides. You might require a brain scan and other investigations to study the flow of blood to the brain.

There are also many other causes of dizziness within the brain like a small stroke like episode or any infection.

Dizziness cal also occur due to problems in the inner ear and balance mechanism of the body.
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What Causes Sudden Blackout While Driving?

Hi, Thanks for writing in. Blackout or dizziness can be due to many reasons and can happen due to decreased blood flow from heart to brain. When it happens, the blood flowing through the vessels from heart to brain might have a reduced flow. These are by the carotid and vertebral arteries on either sides. You might require a brain scan and other investigations to study the flow of blood to the brain. There are also many other causes of dizziness within the brain like a small stroke like episode or any infection. Dizziness cal also occur due to problems in the inner ear and balance mechanism of the body.