Khan Academy on a Stick
Transudate vs exudate
In a pleural effusion, different fluids can enter the pleural cavity. Transudate is fluid pushed through the capillary due to high pressure within the capillary. Exudate is fluid that leaks around the cells of the capillaries caused by inflammation. Learn why transudative fluid does not contain proteins, why exudate does contain proteins, and how health professionals can differentiate between the two using Light’s criteria.
If the above player doesn't work, try this direct link.