More Misc Flashcards
(202 cards)
Definition of AKI:
- Serum creatinine increase of 0.3+ in 48 hours
- Serume creatinine increase of 150% of baseline in 7 days
- Urine volume <0.5 mL/kg/hr
RBC casts
acute glomerulonephritis
Muddy brown or epithelial casts
ATN
WBC casts
AIN or pyelonephritis
Narrow waxy casts
chronic ATN/glomerulonephritis
Broad waxy casts
ESRD
Fatty casts “maltese crosses”, oval fat bodies
nephrotic
eospinophils
ATN
MC form of AKI
Prerenal
Define acute tubular necrosis:
prolonged or severe ischemia caused by a prerenal condition, it eventually leads to an intrarenal processes
Define tubulointerstitial nephritis
inflammatory of allergic response in interstitium with sparing of the glomeruli and blood vessels
MCC of tubulointerstitial nephritis
drug hypersensitivity
Tx tubulointerstitial nephritis
prednisolone x 1-2 weeks
TINU syndrome
interstitial nephritis + uveitis
BUN/Cr ratio: prerenal
> 20:1
BUN/Cr ratio: intrarenal
<10:1
BUN/Cr ratio: post-renal
early >20:1 and late <10:1
MCC of ESRD?
DM
CKD Stage 1
> 90
CKD Stage 2
60-89
CKD Stage 3
30-59
CKD Stage 4
15-29
CKD Stage 5
<15 or dialysis
Glomerulonephritis AKA
nephritic syndrome