A member asked:

What would cause rapid heart beat, dizziness and blurred vision when standing in heat a long time?

3 doctors weighed in across 2 answers

Dehydration: Dehydration causes low blood pressure. The heart beats faster to compensate.

Answered 7/14/2012

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Dr. Gutti Rao answered

Specializes in Hospital-based practice

Heat exhaustion: If you are under the sun for a long time, you may get dehydrated, hence your heart rate can go up, may feel dizzy, and can have blurred vision.

Answered 3/26/2013

5.7k views

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