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Clinical Medicine II > Renal: Diagnostics/Imaging > Flashcards

Renal: Diagnostics/Imaging Flashcards

1
Q

This lab:

used to measure renal function

freely filtered and excreted

A

creatinine (0.5-1.2)

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2
Q

This lab:

product of protein catabolism

elevated in dehydration, GI bleed, steroids/tetracyclines

less specific for kidney fxn, correlated with uremia

A

BUN (10-20)

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3
Q

This lab:

Marker for volume status

A

BUN/Cr ratio

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4
Q

This lab:

sum of filtration rates in all functioning nephrons

not measured directly

tracks progression of disease and for dosing meds

A

GFR

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5
Q

Normal GFR for men…

A

130

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6
Q

Normal GFR for women…

A

120

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7
Q

This lab:

helpful when dosing medications

approximates GFR

A

Cr clearance

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8
Q

These labs assess for what condition?

ANA

A

SLE

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9
Q

These labs assess for what condition?

C-ANCA, P-ANCA

A

granulomatosis w/ polyoangitis

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10
Q

These labs assess for what condition?

Anti-GBM Abs

A

Goodpasture Syndrome

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11
Q

These labs assess for what condition?

HBV, HCV
HIV
VDRL serology
Serum Complement

A

glomerulonephritis

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12
Q

These labs assess for what condition?

antistreptolysin O

A

post-strep glomerulonephritis

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13
Q

These labs assess for what condition?

SPEP
UPEP

A

multiple myeloma

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14
Q

These labs assess for what condition?

Cystatin G

A

estimate GFR

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15
Q

This lab:

screen for prostate cancer and disease progress

A

PSA

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16
Q

When should PSA screening be considered?

A

shared decision-making, around 50

high-risk 40-45

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17
Q

1st line test for renal/urinary issues…

A

UA

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18
Q

What type of casts?

glomerulonephritis

vasculitis

A

RBC

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19
Q

What type of casts?

tubulointerstitial disease

acute pylonephritis

glomerular disorder

A

WBC

20
Q

What type of casts?

acute tubular necrosis

glomerulonephritis

A

Epithelial cell

21
Q

What type of casts?

Hyaline

A

dehydration

22
Q

This lab…

ID causative organism of UTI

sensitive abx

A

urine cx and sensitivity

23
Q

This lab…

earliest clinically detectable stage of diabetic nephropathy

A

microalbumin

24
Q

This lab…

seen in acute interstitial nephritis

A

urine eosinophils

25
Q

This lab…

provides better quantitative measure of proteinuria or GFR

A

24 hr urine collection

26
Q

This lab…

if you suspect multiple myeloma

can detect bence jones protein

A

UPEP

27
Q

What are the 2 types of X-ray for renal issues?

A

abd. X-Ray

KUB

(supine and upright)

28
Q

What is a limitation to KUB x-ray?

A

miss smaller stones, radiolucent stones, sones overlaying bony structures

29
Q

What 3 things can KUB identify?

A

calcification
prostatic calculi
bladder distension

30
Q

This is the TOC to exclude urinary tract obstruction

good initial test for abdominal flank pain

A

Renal US

31
Q

This can evaluate renal vascular flow…

A

renal doppler US

32
Q

Hypodense mass with internal echos on US indicates…

A

pylonephritis

33
Q

What type of CT?

detect radiolucent stones not seen on KUB

A

non-contrast

34
Q

What type of CT?

used to identify vascular problems

A

CT angiography

35
Q

How long must metformin be held after contrast CT?

A

48 hrs

36
Q

Triangular hypodense streaks are seen on Contrast CT spreading from pelvis to renal cortex… this can indicate…

A

bilateral pylonephritis

37
Q

This imaging modality is gold standard for renal vein thrombosis

A

MRI

38
Q

This imaging modality:

  • size/shape of GU tract
  • ID kidney stones/obstruction
  • contrast X-ray
  • measures excretory fxn through length of time for contrast passage
A

IVP

39
Q

String of pearls appearing on renal angiography…

A

fibromuscular dysplasia

40
Q

This imaging modality:

Bladder filled with contrast

X-ray taken to visualize in bladder

visualizes primary bladder conditions better than IVP

A

cystourethrogram

41
Q

This imaging modality can detect:

VIR
Distortion of bladder
fistula
perf

A

cystourethrogram

42
Q

Is post-procedure hematuria expected with cystoscopy? for how long?

A

yes, clear in 3 voids

43
Q

This imaging is indicated for:

  • assess bladder/ureteral involvement due to malignancy
  • evaluate urogynecologic conditions
  • dx intrinsic bladder disease
A

cystoscopy

44
Q

Imaging modality for testicular pathology…

A

testicular US

45
Q

Imaging performed transrectally that can help detect prostate cancer with increased PSA

A

prostate US

Clinical Medicine II (31 decks)

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