portal hypertension
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Related to portal hypertension: ascites
portal hypertension
[′pȯrd·əl ‚hī·pər′ten·shən] (medicine)
Portal venous pressure in excess of 20 mmHg (2666 pascals), resulting from intrahepatic or extrahepatic portal venous compression or occlusion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.