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I'm lying on my back with my legs in the air and thumb in my mouth, blowing out hard. But it's not working. My heart is still going a million miles an hour. I'd experienced episodes of rapid heartbeat ...
An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease. It's done through small ...
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