| ECG | <cardiology, investigation> An recording of the electrical activity of the heart on a moving strip of paper. The electrocardiogram detects and records the electrical potential of the heart during contraction. Acronym: ECG (13 Nov 1997) |
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| ECG lead | An electrocardiographic cable with connections within the electronics of the machine designated for an electrode placed at a particular point on the body surface. (05 Mar 2000) |
| ecgonine | <chemistry> A colourless, crystalline, nitrogenous base, obtained by the decomposition of cocaine. Origin: Gr. 'ekgonos sprung from. Source: Websters Dictionary (01 Mar 1998) |
| ecgonine benzoate | A metabolite of cocaine produced by hydrolysis; it can be found in the urine. Synonym: benzoate, ecgonine benzoate. (05 Mar 2000) |