An electrocardiogram (ECG) is a quick test that demonstrates how your heart's electrical activity operates. It is run in both routine health check-ups and emergency situations to detect a range of ...

Italy: A study published in the European Heart Journal found that standard clinical assessment combined with ECG stress testing can reliably exclude left main coronary artery disease in many patients.

Dear Mayo Clinic: I have a treadmill stress test scheduled to look for heart disease. I know this involves exercising, and I'm worried that I'm not physically up to it. Is there another way to gather ...

Dear Dr. Roach • I am always asked to redo tests — echo ECG, stress test ECG, nuclear stress test. The results are barely mentioned, yet the test is always indicated another time. Is this a waste of ...