dictionary help| usurpation | medical dictionary |
Assumption of pacemaker function of the heart by a subsidiary focus as a result of its own increased automaticity; e.g., accelerated junctional pacemaker takes command when it exceeds the sinus rate.
Origin: L. Usurpo, pp. -atus, to seise
(05 Mar 2000)
usual interstitial pneumonia of Liebow, usufruct, usurp < Prev | Next > ut, uta, UTC, uterectomy
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