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An ECG (electrocardiogram, commonly called an "ECG test" or "heart tracing") records the heart's electrical activity through electrodes placed on the ...

Direct answer An ECG (electrocardiogram, also called EKG or "heart tracing") records the heart's electrical activity through electrodes placed on the ...

Direct answer An echocardiogram, commonly called an echo test, is an ultrasound scan of the heart. The echocardiogram shows the heart's chambers, valv...

Direct answer An EEG (electroencephalogram) records the brain's electrical activity through electrodes placed on the scalp. The EEG test mainly helps ...

Direct answer Elastography is an imaging test that measures how stiff an organ is, most often the liver. Stiffness, reported in kilopascals (kPa) or m...

Direct answer Elbow arthroscopy is keyhole surgery in which a pencil-thin camera (arthroscope) and fine instruments are passed into the elbow joint th...

Direct answer An elbow X-ray is a quick imaging test that uses a small dose of ionising radiation to show the bones and joint spaces of the elbow. The...

Direct answer An electrocardiogram (ECG, also called EKG or "heart tracing") records the heart's electrical activity through electrodes placed on the ...