A member asked:

Why do we get light-headedness and shortness of breath with increases in heart rate?

A doctor has provided 1 answer

Dr. Calvin Weisberger answered

Symptoms: most of us don't get those symptoms except with excessive increases in heart rate which compromise myocardial filling.

Dr Lin and 2 doctors agreed

Answered 5/29/2015

2.8k views

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A member asked:

Why do we get light-headedness and shortness of breath with increases in heart rate?

A doctor has provided 1 answer

Dr. Calvin Weisberger answered

Dr Lin and 2 doctors agreed

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