pulmonary capillary wedge pressure

Medical Dictionary

pulmonary capillary wedge pressure n.
An indirect indication of left atrial pressure obtained by wedging a catheter into a small pulmonary artery tightly enough to block flow from behind and thus to sample the pressure beyond.

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