Introduction An effusion is the fluid that can accumulate in a body cavity due to various different pathologies. Mechanistically, effusions are caused by transudation, exudation, rupture of a blood/lymph vessel/ hollow organ, or neoplasia. Types of effusions include transudates and exudates, but also haemorrhagic effusions, chyle and uroperitoneum. The composition of the fluid gives clues… Continue Reading
