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pericardial effusion |
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pericardial effusion Etymology: Gk, peri, around, kardia, heart; L, effundere, to pour out the escape of blood or other fluid into the pericardium. Also called hydropericardium. effusion [ĕ-fu´zhun] 1. escape of a fluid into a part; exudation or transudation. 2. an exudate or transudate. chyliform effusion see chylothorax. chylous effusion see chylothorax. pericardial effusion the accumulation of an abnormally large amount of pericardial fluid in the pericardium. ![]() Accumulated fluid from a pericardial effusion evacuated by the subxiphoid approach to pericardiocentesis. From Polaski and Tatro, 1996. pleural effusion see pleural effusion. pseudochylous effusion see chylothorax.
pericardial pertaining to the pericardium. pericardial diaphragmatic hernia see peritoneopericardial hernia. pericardial effusion the second stage of pericarditis when much inflammatory exudate accumulates, part of a general edematous state or in cases of neoplasia involving the epicardium or pericardium. Characterized by enlargement of the cardiac silhouette on radiography and outline on percussion, muffling of heart sounds and congestive heart failure due to compression of the heart by cardiac tamponade. pericardial fibrosis a chronic change in pericarditis, leading to constriction that limits diastolic ventricular volume. See also constrictive pericarditis. pericardial friction rub see pericardial rub. pericardial inflammation see pericarditis. pericardial knock an early diastolic sound caused by loss of pericardial elasticity accompanying fibrosis that limits ventricular filling. pericardial meridian points acupuncture points located along the pericardial meridian. pericardial paracentesis see pericardicentesis. pericardial tamponade
see cardiac tamponade. pericardial effusion Medtalk An abnormal collection of fluid in the pericardium
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