An electrocardiogram, or ECG, is a straightforward test used to check the electrical activity and rhythm of the heart. The heart produces electrical signals that make it beat. An ECG involves placing small sticky patches, called electrodes, on your arms legs and chest to record these tiny electrical impulses. This procedure is commonly used by doctors in combination with other tests, and can identify a number of different problems with the heart: Heart Attack – Reduced blood supply to the heart due to a blockage. Arrhythmia – Abnormal heart beats. This can be too fast, too slow, or irregular. Cardiomyopathy – An enlarged heart where the walls have become thicker than normal.
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