What Your Doctor Sees In an ECG

This simple test can reveal clues to many heart problems and excels in the rapid evaluation of chest pain or shortness of breath.

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In a world of increasingly sophisticated tests for heart disease, one golden oldie continues to stand out: electrocardiography. This method of recording the hearts electrical activity was developed in the early 20th century and remains the first test doctors reach for when a patient exhibits the signs or symptoms of heart disease.
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