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Irregular heartbeat

Irregular heartbeat

M460/0144

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Credit

ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY

Caption

Irregular heartbeat. Computer artwork of an electrocardiogram (ECG) showing two irregular heartbeats (top and middle) and a normal heartbeat (bottom), over an illustration of the heart. An ECG measures the electrical activity of the heart. Contractions are caused by electrical signals between the upper (atrial) and lower (ventricular) chambers. The tall peak indicates the pumping action of the ventricles.

Release details

Model release not required. Property release not required.

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