Yes: Ekg changes depend on the location and severity of the heart muscle damage and it's impact on the normal functioning of the heart.
Answered 6/21/2015
5.7k views
Yes: Especially early in the course of a heart attack the ekg can be normal. Usually some abnormalities become present with time. A heart attack cannot be excluded based on the ekg alone.
Answered 1/24/2015
5.7k views
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