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A member asked:
Looked up & raised my right arm to reach item on the top shelf, started blacking out until put arm down& head straight. ate full breakfast shortly b4.
A doctor has provided 1 answer
That can happen: Extending your neck backward a bit too far and stretching at the same time to reach something on a top shelf can put your autonomic system into a bit of overdrive resulting in what is called a carotid sinus syndrome. The result is a drop in heart rate, a dilation of blood vessels, lowering of blood pressure and decreased blood flow to the head. Don't stretch and reach at the same time! Cheers!
Answered 7/5/2015
2.6k views
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