Zunaira saleh3 months ago

Diagrammatic representation of pathogenesis of oedema

(OP = oncotic pressure; HP = hydrostatic pressure). A, Normal pressure gradients and fluid exchanges between plasma, interstitial space and lymphatics. B, Mechanism of oedema by decreased plasma oncotic pressure and hypoproteinaemia. C, Mechanism of oedema by increased hydrostatic pressure in the capillary. D, Mechanism of lymphoedema. E, Mechanism by tissue factors (increased oncotic pressure of interstitial fluid and lowered tissue tension). F, Mechanism of oedema by increased capillary permeability.