Electrocardiogram (ECG) of a normal heart rate, computer artwork. An ECG measures the electrical activity of the heart. Contractions are caused by ele


Electrocardiogram (ECG) of a normal heart rate, computer artwork. An ECG measures the electrical activity of the heart. Contractions are caused by electrical signals between the upper (atrial) and lower (ventrical) chambers. The tall peak indicates the pumping action of the ventricles.


Size: 4000px × 4000px
Photo credit: © MEHAU KULYK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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