L13:Hemodynamic disorders I Flashcards
What is edema ?
accumulation of excess fluid in the tissues
what is the capillary blood pressure termed as ? ( pressure from the inside againt the walls )
hydrostatic pressure
what kind of pressure is maintained by plasma proteins ?
osmotic pressure
oncotic pressure is a form of ___pressure exerted by proteins notably ______
osmotic pressure
albumin
what are the causes of inflammatory edema ?
alteration of vascular permeability
in acute inflammation
in allergic reactions ( ex: cellulitis)
what are the causes of non-inflammatory edema ?
rise in hydrostatic pressure
fall in osmotic pressure
lymphatic obstruction
salt and water retention
what type of fluid is seen in inflammatory edema and what type is seen in non-inflammatory edema ,? describe the characteristics of both .
in non-inflammatory edema , transudate is seen . transudate is a clear low protein fluid that has low specific gravity and few lymphocytes
in inflammatory edema , exudate can be seen. exudate is a cloudy , high protein fluid with high specific gravity and high neutrophil count .
what is the presence of fluid in a body cavity called ?
effusion
ascites is effusion in which body cavity ?
peritoneal cavity
what is severe and generalized edema with subcutaneous tissue swelling called?
anasarca
extravasation of blood from ruptured blood vessels is termed as ?
hemorrhage
what is the collection of extravasated blood in the tissues after rupture of blood vessels known as?
hematoma
bleeding into a body cavity constitutes :
hemorrhagic effusion
fluid in joint space or cavity is called ?
hemaarthrosis
pinpoint hemorrhages (1-2mm) in the skin , mucous membrane or serosal surfaces :
petechiae
