<prompt> The cause of oedema in nephritic syndromeIncrease in plasma protein concentratnDecrease plasma protein concentratnReduced plasma osmotic pressureSodium and water retention  <response>: Robbins page no p922 Glomerular diseases presenting with a nephritic syn- drome are often characterized by inflammation in the glomeruli. The nephritic patient usually presents with hematuria, red cell casts in the urine, azotemia, oliguria, and mild to moderate hypeension. Proteinuria and edema are common, but these are not as severe as those encountered in the nephrotic syndrome, discussed later. The acute nephritic syndrome may occur in such multi- system diseases as SLE and microscopic polyangiitis. 