BSIP, LA / SCIENCE PHOTO LIBRARY BSIP, LA / SCIENCE PHOTO LIBRARY
Electrocardiography. Doctor stands by a woman undergoing an electrocardiography (ECG) examination. Electrodes, attached to her chest, are measuring the electrical activity of her heart. The results are recorded by the ECG machine and as a print-out being read by the doctor. An ECG examination can diagnose a range of heart complaints, such as arrhythmia, coronary artery disease and cardiac asthma.
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