reeeeenal Flashcards
type I RTA?
defect in H+ secretion - distal hypokalemia causes: cirrhosis, autoimmune, lithium, ampho tx: give bicarb complications: stones
type II RTA>
defect in HCO3 reabsorption - proximal hypokalemia causes: Fanconi syndrom, carbonic anhydrase inhib, MM, amyloidosis, heavy metals, vit D deficiency tx: thiazides, volume depletion complications Rickets, osteomalacia
type IV RTA?
aldo deficiency/resistance - distal
hyperkalemia
drugs: amiloride, spironolactone, deparin
tx: furosemide, replacement of mineralocorticoid +/- glucocorticoid
hyaline casts?
if lots, suggests hypovolemia
red cell casts?
suggest glomerulonephritis
white cells in urine, eos in urine?
suggest allergic interstitial nephritis, ateroembolic dz
granular casts, renal tubular cells, muddy brown casts?
ATN
white cells and white cell casts in urine?
pyelo
low C3, lumpy bumpy immunofluorescence?
post-infections glomerulonephritis
normal c3, episodic gross hematuria, microscopic hematuria?
IgA nephropathy
tx: steroids, ACEis if proteinuria
segmental necrotizing glomerulonephritis with few IG deposits?
Wegeners
linear anti GBM deposits?
Goodpasture’s
tx: plasma exchange, pulse steroids
GBM splitting on EM?
Alport’s
causes of minimal change disease?
children - idiopathic, MCC
adults: NSAIDs, lymphoma
normal light microscopy, fusion of foot process on EM?
minimal change dz