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Renal - Set 00
High Yield Facts
63
Biology
Graduate
03/02/2013

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Term
Bartter's Syndrome
Definition
Nonfunctional NaK2Cl --> HypoKalemia and alkalosis
Term
Liddle's Syndrome
Definition
Overfunctioning ENaC --> HypoK
Term
Muddy Brown Casts
Definition
Indicative of ATN
Term
Sub-endothelial immune complex deposits
Definition
Membranoproliferative GN
Term
Kimmelstein -Wilson Nodules
Definition
Dx of diabetic nephropathy (also look for fibrin cap, capsular drop)
Term
Nonbranching fibrils on EM
Definition
Amyloidosis
Term
2 diseases that cause linear pattern on IF
Definition
Anti-GMB disease (immune) + Diabetic Nephropathy (NON-immune)
Term
Laminated cast ringed by Macrophages
Definition
Myeloma cast nephropathy
Term
Fibrovascular core surrounded by urothelium
Definition
Papillary Carcinoma of bladder (most common type)
Term
Angiomyolipoma
Definition
Associated with tuberous sclerosis
Term
Urine Eosinophils
Definition
Due to hypersensitivity/allergic Reactions --> see in acute interstitial Nephritis
Term
Sub-epithelial Spikes
Definition
Membranous GN
Term
Child who ate raw meat and got bloody diarrhea
Definition
HUS --> ARF
Term
Smoky urine
Definition
Acute glomerulonephritis
Term
2 diseases that cause GMB Duplication (Tram-tracking)
Definition
Membranoproliferative GN (Immune) + chronic thromb. microangiopahty (NON-Immune)
Term
Leukocyte Esterase/ Nitrite +
Definition
Basically diagnosis of UTI
Term
Broad Cast
Definition
Indicates chronic renal disease, due to dilated tubules
Term
Osmotic demyelination syndrome
Definition
Permanent neuro damage if plasma osmolality is corrected too quickly
Term
Only diuretic which increases Calcium reabsorption
Definition
Thiazides, thus used to treat renal stones
Term
4+ blood w/ dipstick but no
RBCs in sediment
Definition
Either free Hgb (intravascular hemolysis) or free Mgb (rhabdomyolysis)
Term
WBC casts
Definition
AIN or pyelonephritis
Term
Spriobenzapines
Definition
V2 Receptor Antagonists which block ADH binding --> aquaresis
Term
Central DI vs. Nephrogenic DI
Definition
Lack of ADH secretion (central)
vs.
Tubular unresponsiveness to ADH
Term
K sparing diuretics
Definition
Spironolactone/Eplerenone (aldo antag)

Amiloride/Triampterene (- ENaC)
Term
Most common nephrotic Pathology in kids
Definition
Minimal change disease, diagnosed by foot process effacement on EM
Term
Platelet thrombi in glomerular capillaries
Definition
Indicates acute thrombolytic microangiopathy (due to HUS, TTP)
Term
RBC Casts
Definition
Acute Glomerulonephritis
Term
6 Diseases that cause low complement
Definition
Post-strep GN
Membroproliferative GN,
SLE,
Endocarditis,
shunt nephritis,
cryoglobinemia
Term
Patient has DVT/PE, you think?
Definition
Nephrotic syndrome (lose anti-coag factors in urine --> hypercoagulative state)
Term
Patient easily bleeds/bruises, you think?
Definition
CRF (plately dysfunction --> hypocoag. state) or TTP (hallmark is thrombocytopenia)
Term
4 main drugs causing Acute Interstitial Nephritis
Definition
Beta lactam abx, NSAIDs, Sulfonamides, Diuretics
Term
Cyst arising from collecting duct
Definition
Auto-RECESSIVE form of PKD via PKHD1 mutation
Term
PKD1/2 mutation
Definition
Auto-DOMINANT form of PKD, can arise from any part of nephron
Term
2 tests you always do if suspecting ARF
Definition
Orthostatis (rule out Pre-renal) and pelvic/Rectal Exam (rule out obstruction)
Term
Leading cause of death in ARF
Definition
Infection!! Avoid Foleys!
Term
Isothenuria
Definition
when Uosm = Posm, kidney cannot concentrate urine, seen in CRF
Term
Absolute contraindications to renal transplant
Definition
Active infection, recent malignancy, hypercoag. state, poor surgical candidate
Term
Normal plasma Anion Gap, positive urine Anion Gap, Metabolic acidosis
Definition
RTA type 1 (inability to acidify urine, i.e. can't exrete NH4)
Term
Normal plasma Anion Gap, normal Urine Anion Gap, Metabolic Acidosis
Definition
Diarrhea
Term
Elevated plasma Anion Gap, Metabolic Acidosis
Definition
DKA, lactic acidosis, renal failure, ASA/methanol/ethylene glycol Intox

MUDPILES
Term
Papillary Necrosis
Definition
Complication of acute pyelonephritis due to obstruction + decreased blood flow
Term
Urine Cl < 20, Metabolic Alkalosis
Definition
Vomiting, stopped diurectis, post-hypercapnic, villous adenoma
Term
Urine Cl>20, Metabolic Alkalosis
Definition
Excess mineralocorticoids/Cushings, severee hypokalemia, milk-alkali syndrome
Term
Granulomatous disease (Sarcoid/TB) --> Hypercalcemia, how?
Definition
Stimulate 1-hydroxylase --> active Vit.D --> increase Calcium absorption/resorption
Term
Metabolic Acidosis due to mineral acids
Definition
ONLY kind of acidosis that --> Hyperkalemia
Term
HypoKalemia with urinary K <25
Definition
Indicates NON-renal loss (usually diarrhea) and vice versa
Term
HyperKalemia w/ urinary K <20
Definition
Indicates RENAL defect, since inappropriately low
Term
Tented T-waves, widened QRS
Definition
Hyperkalemia, life-threatening at this point so get your Calcium Gluconate
Term
Only 2 things that remove K
Definition
Kayexalate and dialysis (other tx just shift)
Term
AL/Primary Amyloidosis
Definition
Due to excess IG Light chains, associated with Multiple Myeloma
Term
AA/secondary Amyloidosis
Definition
Due to abnormal production of insoluable coplexes, associated with RA and TB
Term
Thrombotic microangiopathy
Definition
Endothelial dysfunction --> inability to inhibit platelet aggregation/coag, associated with HUS, TTP
Term
Biggest risk factor for bladder cancer
Definition
Smoking
Term
Wilms tumor
Definition
Triphasic embryonal renal tumor seen in kids
Term
Increase Bound PSA
Definition
Indicates Prostate Cancer
Term
Increase Free PSA
Definition
Indicates Benign Prosthetic Hyperplasia
Term
Most common metastasis of Prostate Carcinoma
Definition
Bone
Term
Prolonged high trough concentration
Definition
Major risk factor for ATN via aminoglycosides, thus, high dose once daily
Term
Trimethoprim/cimetidine MOA in pseudo renal failure
Definition
Inhibit Cr. Secretion by proximal tubule --> elevated Serum Cr. w/out change in BUN
Term
Drugs that increase Vd (decrease plasma protein bind)
Definition
Phenytoin, Valproate
Term
Drugs that Increase Vd (increase tissue bind)
Definition
Gentamycin, vancomycin
Term
Drugs that decrease Vd (decrease tissue bind)
Definition
Digoxin
Term
Indications for prostate biopsy
Definition
Abnormal DRE, PSA > 4, annual change PSA > 0.75
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