- mechanical alternans
- alternation of the heart, used particularly in contrast with electrical alternans.
Medical dictionary. 2011.
mechanical alternans
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alternans — Alternating; often used substantively for alternation of the heart, either electrical or mechanical. Alternating; used as a noun in the sense of pulsus a.. [L.] auditory a. SYN: auscultatory a.. auscultatory a. alternation in the intensity of… … Medical dictionary
alternation of the heart — alternating variation in the intensity of the heartbeat or pulse over successive cardiac cycles of regular rhythm. Called also mechanical alternans. Cf. electrical alternans … Medical dictionary
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alternation — The occurrence of two things or phases in succession and recurrently; used interchangeably with alternans. cardiac a. the occurrence of any cardiac phenomenon every other beat. concordant a. a. in either the mechanical or electrical activity of… … Medical dictionary
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