pericardial effusion

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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.

per·i·car·di·al ef·fu·sion

increased fluid within the pericardial sac; can cause circulatory compromise by compression of the heart; most often caused by inflammation, infection, malignancy, and uremia.

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.

pericardial effusion

Medtalk An abnormal collection of fluid in the pericardium

per·i·car·di·al ef·fu·sion

(per'i-kahr'dē-ăl ĕ-fyū'zhŭn)
Increased amounts of fluid within the pericardial sac, usually due to inflammation.

pericardial

pertaining to the pericardium.

pericardial diaphragmatic 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
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
pericardial tamponade
see cardiac tamponade.