Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Tests and diagnosis
Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.
An electrocardiogram (ECG or EKG) is a test that provides valuable clues about your heart health. Here's what you need to know about the test.
March 01, 2014
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