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wedge pressure

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Medical Dictionary

Main Entry: wedge pressure
Function: noun
: intravascular pressure that is measured by means of a catheter wedged into the pulmonary artery so as to block the flow ofblood and that is equivalent to the pressure in the left atrium called also pulmonary capillary wedge pressure, pulmonary wedge pressure
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

wedge pressure n.
The intravascular pressure reading obtained when a fine catheter is advanced until it completely occludes a small blood vessel.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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