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Flashcards in Kidney Lab Tests Deck (24):
1

Post-Streptococcal Glomerulonephritis

Decreased Complement Levels (C3, C4)
Low C3, but usually not C4 = alt pathway

2

Lupus Nephritis (2)

May have decreased complement levels
Positive ANA test

3

Microscopic Polyangiitis

Positive P-ANCA

4

Amyloidosis

Positive Monoclonal Antibodies in SPEP or UPEP

5

Membranoproliferative Glomerulonephritis (2)

Hep C > Heb B antibody association
May have decreased levels of C3/C4

6

Pauci-immune RPGN

Positive P-ANCA

7

Anti-GBM Test (2)

Positive in: Goodpasture's and Anti-GBM associated RPGN

8

ANA Test

Lupus Nephritis

9

HIV Serologies

Associated with Focal and Segmental Glomerulosclerosis (FSGS)

10

Endocarditis-associated GN

May have decreased complement levels

11

Wegener's Granulomatosis

Positive C-ANCA

12

Goodpasture's Syndrome

Positive Anti-GBM test

13

Cryoglobulinemia (2)

Positive cryoglobulin test
May have decreased C3/C4 levels

14

Membranous Nephropathy (2)

Associated with Hep B and Hep C

15

FSGS

HIV serologies

16

Immune-Complex GN

May have decreased C3/C4 levels

17

ANCA Tests (3)

Positive in Wegeners (C), Microscopic Polyangiitis (P), Pauci-immune RPGN (P)

18

Atheroembolic Disease

May have decreased C3/C4 levels
Eosinophilia

19

Multiple Myeloma

Positive for monoclonal antibodies in SPEP or UPEP

20

Eosinophiluria (3)

Associated with:
Acute allergic interstitial nephritis, atheroembolic disease... or anything with eosinophilia or pyuria

21

Hep C Antibody (3)

Mixed Cryoglobulinemia, Membranoproliferative GN, Membranous Nephropathy

22

Hep B Surface Antigen (3)

Membranoproliferative GN, Membranous nephropathy, Polyarteritis nodosa

23

Light-chain deposition disease

Positive MC Ab in SPEP or UPEP

24

Low C3/C4 Levels (7)

Post-Strep GN, Endocarditis GN, Immune Complex GN, MP GN, Lupus, Cryoglobulinemia, Atheroembolic Disease