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Electrocardiograph

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e·lec·tro·car·di·o·graph (-lktr-kärd--grf)
n. Abbr. ECG, EKG
An instrument used in the detection and diagnosis of heart abnormalities that measures electrical potentials on the body surface and generates a record of the electrical currents associated with heart muscle activity. Also called cardiograph.

e·lectro·cardi·ogra·phy (-kärd-gr-f) n.

Electrocardiograph (ECG, EKG)
A test of a patient's heartbeat that involves placing leads, or detectors, on the patient's chest to record electrical impulses in the heart. This test will produce a strip, or picture record of the heart's electrical functioning.

electrocardiograph
the apparatus used in electrocardiography.
Enlarge picture
Portable electrocardiograph used during exercise. By permission from Hinchcliff KW, Kaneps AJ, Equine Sports Medicine and Surgery, Saunders, 2004

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The premier issue included articles on: carbon monoxide poisoning, determining when acute chest pain is life-threatening, gastroesophegeal reflux disease, evaluating patients with syncope, optimizing malpractice protection, diagnosis, using electrocardiographs, and radiology.
Vital signs are monitored with touch-screen instruments including built-in electrocardiograph systems.
That would require full-scale, onboard, diagnostic electrocardiograph equipment, which only a small fraction of ambulances currently have.
 
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