Edema
high hydrostatic pressure
venous stasis
- valvular problems
heart failure
renal failure?
fluid overload
oncotic pressure
- hepatic failure
inflammation and swelling
Low protein edema
- pitting
Lymphedema
- painless, firm, dorsal hump on foot
- varies little during day
Lipdemia
History
Overfill
- decrease in GFR leads to less Na flitered, together with NA reabsorption in the cortical collecting duct
Underfill
- reduced effective circulating volume can be caused by proteinuria and hypoalbuminemia
- physiological response by the kidneys: RAAS to retain sodium