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What Does an ECG Test Show? Complete Guide for Patients
An ECG (electrocardiogram) shows the electrical activity of your heart. It can detect abnormal heart rhythms, signs of blocked arteries, heart enlargement, previous heart attacks, and problems with heart rate or conduction. It is fast, painless, and often the first test doctors recommend for chest pain, palpitations, or shortness of breath. What Is an ECG? An ECG (also known as EKG) is a ...