SAM

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SAM

Acronym for S-adenosyl-l-methionine; systolic anterior motion.
A regional term for a federal narcotics agent

SAM

Cardiology Systolic anterior motion An anomalous movement of the mitral valve's anterior leaflet, which appears to strike the interventricular septum in early diastole; seen in Pts with idiopathic hypertrophic subaortic stenosis and obstruction.
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