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AFORMED phenomenon

 

Definition: as induced pulsus alternans progresses, a state in which alternating heart depolarizations fail to eject any blood, thus allowing longer diastolic filling; the subsequent beat is then able to produce a significant ejection; at high rates the cardiac minute volume and blood pressure may appear normal.

[Alternating failure of response, mechanical, to electrical depolarization]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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