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STEP II > 5/21/13 > Flashcards

5/21/13 Flashcards

1
Q

What is the cause of physiologic jaundice of the newborn?

A

mostly low conjugation

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2
Q

What kind of hyperbilirubinemia is present in breast feeding (failure) jaundice?

A

unconjugated

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3
Q

When does breast feeding (failure) jaundice occur?

A

<1 wk

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4
Q

What is the mechanism of breast feeding jaundice?

A

increased enterohepatic circulation

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5
Q

When does mreast milk jaundice occur?

A

1-3 wks

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6
Q

What is thought to be one of the causes of breast milk jaundice?

A

factors in breast milk inhibit glucuronyl transferase

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7
Q

What is the treatment for breast milk jaundice?

A

stop breast feeding for 2-3 days

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8
Q

Does hepatitis cause conjugted or unconjugated hyperbilirubinemia?

A

conugated

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9
Q

What should you suspect in a baby that has conjugated hyperbilirubinemia, pale stools, hepatomegaly, and dark urine 1-6 wks after birth?

A

biliary atresia

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10
Q

How do you calculate the anion gap?

A

Na - (Cl + HCO3)

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11
Q

What is a normal anion gap?

A

12 +/- 2

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12
Q

What is the first-line tx for reactive arthritis?

A

NSAIDs (also Abx if Chlamydial)

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13
Q

What is the 2nd line tx for reactive arthritis?

A

sulfasalazine

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14
Q

What kind of heart block does digoxin toxicity cause?

A

third-degree AV block

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15
Q

At what T-cell count should prophylaxis against MAC be started in HIV pts?

A

<50 cells/uL

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16
Q

What 2 drugs are options for MAC prophylaxis?

A

azithromycin or clarithromycin

17
Q

At what T-cell count should prophylaxis against PCP be started in HIV pts?

A

<200 cells / μL

18
Q

What is the best drug to prophylax against PCP and toxoplasmosis in HIV pts?

A

TMP-SMX

19
Q

What is the tx for asymptomatic Mobitz II 2nd- or 3rd-degree heart block?

A

transvenous pacemaker

20
Q

Why do even asymptomatic pts w/ Mobitz II or 3rd-degree heart block need a pacemaker?

A

high risk of syncope

21
Q

What is the acute treatment for any type of symptomatic bradycardia?

A

atropine

STEP II (79 decks)

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