A member asked:

What is it when u have a heart racing and dizziness?

A doctor has provided 1 answer

Need more info : Possibly your body is not tolerating the increase in hr. May be you are dehydrated? Maybe you have an electrical heart problem causing arrhythmias; metabolic unbalance like diabetes or electrolytes unbalance like drop on potassium or magnesium. See a physician soon.

Answered 8/10/2013

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A member asked:

My heart is racing and feel dizzy when walking up stairs?

A doctor has provided 1 answer