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Clinical Med - Nephrology > Diagnostics > Flashcards

Diagnostics Flashcards

1
Q

What lab value is the most common measure of renal function?

Normal is 90 - 120 ml/min

A

eGFR

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2
Q

What formulas are used to calculate eGFR?

A

Cockcroft-Gault

MDRD

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3
Q

What lab value is a measurement of the byproduct of creatine phosphate which is almost completely filtered by the kidney?

A

Serum Creatinine

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4
Q

This lab test is a collection of urine over 24 hours?

A

24 hour urine

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5
Q

A ____ urine test is a great for evaluating urinary excretion of albumin

A

Spot urine

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6
Q

Which imaging modality is best for assessing things such as hydronephrosis, PCKD, obstructive uropathy, or kidneys masses.

A. US
B. CT
C. MRI
D. XR (KUB)

A

A. US

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7
Q

What is the most diagnostic imaging modality in a patient with acute flank pain and hematuria?

A

CT Abdomen/Pelvis (Non-contrast)

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8
Q

Which imaging modality is most sensitive and specific for evaluating for renal artery stenosis?

A. US
B. CT
C. MRI / MRA
D. XR (KUB)

A

C. MRI / MRA

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9
Q

What is the ‘gold standard’ for diagnosing renal artery stenosis?

(Hint: This is also therapeutic)

A

Renal Angiography

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10
Q

A renal _____ is used for evaluation of unexplained AKI / CKD, diagnosing systemic diseases such as Goodpasture’s, and managing renal transplants.

A

Renal Biopsy

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11
Q

What is a common complication of a renal biopsy?

A

Hematuria

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12
Q

What is the normal pH range on ABG?

A

7.35 - 7.45

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13
Q

What is the normal CO2 range on ABG?

A

32 - 48

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14
Q

What is the normal O2 range on ABG?

A

80 - 105

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15
Q

What is the normal HCO3- range on ABG?

A

22 - 26

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16
Q

How is an ABG typical presented/written?

A

pH/CO2/O2/HCO3⁻/BE

ex: 7.41/38/92/25/0

17
Q

What lab is a calculation of the difference of cations and unmeasured anions in the plasma?

Normal: 10-12 mmol/L

A

Anion Gap

18
Q

An acidosis due to acid production/accumulation will have a ______ (wide/normal/narrow) anion gap

A

Wide

WAGMA

19
Q

Acidosis due to HCO3- loss will have a ______ (wide/normal/narrow) anion gap

A

Normal

20
Q

An _____ test should be preformed prior to drawing an ABG from the radial artery?

A

Allen Test

21
Q

What should be drawn simultaneously with an ABG?

A

Serum Chemistry

Clinical Med - Nephrology (7 decks)

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