MODEL RELEASED. Heart monitoring. 93-year-old man undergoing an electrocardiography (ECG) examination. The electrodes attached to his chest are used t

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MODEL RELEASED. Heart monitoring. 93-year-old man undergoing an electrocardiography (ECG) examination. The electrodes attached to his chest are used to measure the electrical activity of his heart. An ECG examination can help diagnose a range of heart complaints, such as arrhythmia, coronary artery disease and cardiac asthma.

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Photo credit: © ANTONIA REEVE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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