5/30/13 Flashcards Preview

STEP II > 5/30/13 > Flashcards

Flashcards in 5/30/13 Deck (20):
1

The Sx of bereavement usually taper w/in what amt of time?

2 mos

2

What is the main mech of nitroglycerin in pain relief in MI?

decrease in ventricular preload

3

What are the most common bacteria to cause brain abscess?

Strep and Bacteroides

4

What is the mech of anemia and other hematologic abnormalities in SLE?

peripheral destruction of bloo cells

5

What are 2 important cardio-pulmonary complications of severe obstructive sleep appnea?

pulm htn, rt. ventricular failure

6

What is the mechanism of obesity hypoventilation syndrome?

obesity impedes expansion of chest wall and abd

7

How are ABGs in obesity hyperventilation syndrome different from those of obstructive sleep apnea?

reduced PaO2 and elevated PaCO2 in daytime

8

Why might you test thyroid function in a pt w/ hyponatremia?

SIADH

9

What is the Tx of choice for dermatitis herpeteformis?

Dapsone

10

What skin condition is 1% lindane used for?

scabies

11

What kind of joint disease causes punched-out lesions with an overhanging rim of cortical bone, known as "rat bite lesions"?

gout

12

What is the most common cardiac abnormality in disseminated Lyme disease?

AV block

13

What is the Tx for Lyme disease that is not in the CNS?

oral doxycycline (or amoxicillin, esp. children)

14

What is the Tx for CNS Lyme disease?

IV ceftriaxone

15

What is the Tx for Lyme disease w/ facial n. palsy?

oral doxycycline (or amoxicillin)

16

At what pH, measured by fetal scalp sampling, must delivery go to Ceasarean?

<7.20

17

What cause of pneumonia should be suspected in a very toxic pt who has lung cavitation and presence of air-fluid levles on CXR or CT?

S. aureus

18

Acute febrile illness, hypoxemic respi failure, diffuse pulm infiltrates, 25% EΦ on bronchoalveolar lavage. Dx?

eosinophilic pneumonia

19

What is the Tx for eosinophilic pneumonia?

corticosteroids

20

What is the mech of SIADH in hypothyroidism?

TSH mildly stimulates ADH release