More tests needed: 170 is a very accelerated heart rate at that level of stress. You may an inappropriate sinus tachycardia or another type of arrhythmia. The stress test should help sort that out. An echocardiogram and cardiology evaluation would be appropriate. Good luck. Feel better.
Answered 9/5/2013
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A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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