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A member asked:
I have been feeling extremely lightheaded, dizzy, and feel like my heart is beating a hundred miles per hour. only happens when i drive why?
A doctor has provided 1 answer
Unusual Problem: The clue that the symptoms occur only when driving suggest a connection to arm exercise. This can be a result of "subclavian steal, " a condition in which a narrowed artery in the shoulder results in blood for the arm being diverted from the brain. A careful examination and ultrasound testing may reveal this diagnosis which is confirmed by angiography and is curable by stenting.
Answered 9/20/2019
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