A member asked:

22y male. heart rate when lying 55, standing up, hr goes to 120, within 3min normal again. chest pressure and dizy when i stand up, worse with heat?

A doctor has provided 1 answer

Postural Tachycardia: Some humans have an increased heart rate when standing. If you have had X ray, Holter , Echo with no conclusions and are dizzy with chest pressure, then perhaps going to an emergency room will rule out other causes. Good luck.

Answered 3/18/2017

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