effusion /ef·fu·sion/ (ĕ-fu´zhun)
Effusion
effusion
effusion [ĕ-fu´zhun]
1. escape of a fluid into a part; exudation or transudation.
2. effused material; an exudate or transudate.
pleural effusion fluid in the pleural space.
ef·fu·sion ( -fy  zh n)n. 1. The escape of fluid from the blood vessels or lymphatics into the tissues or a cavity. 2. The fluid so escaped. |
Effusion
The escape of fluid from blood vessels or the lymphatic system and its collection in a cavity, in this case, the middle ear.
effusion
[ifyo̅o̅′zhən]
Etymology: L, effundere, to pour out
1 the escape of fluid, for example, from blood vessels as a result of rupture or seepage, usually into a body cavity. The condition is usually associated with a circulatory or renal disorder and is often an early sign of congestive heart disease. The term may be associated with an affected body area, as pleural or pericardial effusion. See also edema, transudate.
2 the outward spread of a bacterial growth.
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.
effusion,
n flow of fluid (i.e., blood) into a body cavity; can be an indication of congestive heart disease.
effusion
1. escape of a fluid into a part; exudation or transudation. See also specific anatomic sites.
2. an exudate or transudate.
effusion
Accumulation of fluid in various spaces of the body, or the knee itself, which is a frequent byproduct of injury. See Ascites, Peritoneal effusion, Pleural effusion, Pseudochylous effusion, Subdural effusion.
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