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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Weakness,light Headedness And Feeling Like Fainting?

im young and i hardly ever smoke but when i was i got really weak and light headed and callasped and felt like i was going to faint while standing , why did this happen? i googled it and some people said that it happend to them and they found out they had a heart dieses?
Mon, 23 Feb 2015
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Radiologist,  's  Response
Hi,
Thanks for writing in.

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 Weakness,light Headedness And Feeling Like Fainting?

Hi, Thanks for writing in. 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.