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Step 2 CK > What is the most accurate diagnostic test > Flashcards

What is the most accurate diagnostic test Flashcards

1
Q

Asthma

A
  • Pulmonary function testing (PFTs)

- In stable patient do it with methacholine which will lead to decrease in FEV1 by > 20% in asthmatic patient

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2
Q

RTA Type I

A

Infusion of acid into the blood with ammonium chloride (urine pH will remain above 5.5)

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3
Q

RTA Type II

A

Evaluation of bicarbonate malabsorption by giving bicarbonate and test for urine pH (it will rise after giving the bicarbonate)

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4
Q

RTA IV

A

Persistently high urine sodium despite sodium-depleted diet; in addition to hyperkalemia

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5
Q

Atheroemboli

A

Biopsy of the purplish skin lesions

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6
Q

Acute (allergic) Interstitial nephritis (AIN)

A

Hansel or Wright stain of urine to determine the presence of eosinophils

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7
Q

Renal Papillary Necrosis

A

CT scan

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8
Q

Urinary Tract Infection (UTI)

A

Urine culture

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9
Q

Achalasia

A

Manometry

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10
Q

Esophageal cancer

A

Endoscopy with biopsy

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11
Q

Diffuse esophageal spasm

A

Manometry

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12
Q

Nutcracker esophagus

A

Manometry

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13
Q

Zenker diverticulum

A

Barium swallow

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14
Q

H. pylori infection

A

Biopsy

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15
Q

Gastrinoma (Zollinger-Ellison syndrome)

A

After biopsy (that confirms the presence of ulcers), persistent high gastrin levels despite injecting secretin

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16
Q

Diabetic gastroparesis

A

Nuclear gastric emptying study

17
Q

Celiac disease

A

Small bowel biopsy

18
Q

Whipple disease

A

Small bowel biopsy

19
Q

Tropical sprue

A

Small bowel biopsy

20
Q

Chronic pancreatitis

A

Secretin stimulation testing (placing NG tube; unaffected pancreas will release a large volume of bicarbonate rich fluids after IV injection of secretin)

21
Q

Diverticulosis

A

Colonoscopy

22
Q

Acute pancreatitis

A

CT scan with IV and oral contrast to better define and outline abdominal structures

23
Q

Spontaneous bacterial peritonitis

A

Fluid culture

24
Q

Primary biliary cirrhosis

Blood test

A

Anti-mitochondrial antibody

25
Q

Primary biliary cirrhosis

A

Liver biopsy

26
Q

Primary sclerosing cholangitis

27
Q

Hemochromatosis

A

Liver biopsy (we can spare the patient this test by doing a combination of abdominal MRI and HFE (C282y) gene testing)

28
Q

Hepatitis B viral replication activity

A

PCR of hepatitis B DNA level

29
Q

Hepatitis C disease activity

A

PCR (hepatitis C RNA viral load)

30
Q

Wilson disease

A

Abnormally increased amount of copper excretion into urine after giving penicillamine

31
Q

Autoimmune Hepatitis

A

Liver biopsy

32
Q

Non-alcoholic Steatohepatitis (NASH)

A

Liver biopsy

33
Q

Hyperaldosteronism due to unilateral adrenal adenoma

A

Adrenal venous sampling for aldosterone level

Step 2 CK (9 decks)

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