Irregular heartbeat. Computer-enhanced image of an electrocardiogram (ECG) trace showing an abnormal heartbeat (red). A healthy heartbeat is seen at t

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Irregular heartbeat. Computer-enhanced image of an electrocardiogram (ECG) trace showing an abnormal heartbeat (red). A healthy heartbeat is seen at top (yellow) for comparison. An ECG heart trace measures the pumping of the heart as a series of small and larger waves. These waves correspond to the electrical activity of heart muscle during contraction and relaxation. This measurement is an important means of diagnosing heart diseases like coronary artery disease, thrombosis, and cardiac arrhythmia.

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Size: 5067px × 3803px
Photo credit: © MEHAU KULYK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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