Day 6 - Pulm1 Quiz

Question 1

Pulmonary edema relevance of PCWP

Answer 1

Distinguish ARDS (v. left heart failure) - PCWP

Question 2

Dx characteristic of ARDs

Answer 2

PCWP

Question 3

Common cause of PNA: immunocompromised pts

Answer 3

PCP

Question 4

Common cause of PNA: walking PNA

Answer 4

Mycoplasma pneumoniae

Question 5

Common cause of PNA: alcoholics

Answer 5

Klebsiella

Question 6

Common cause of PNA: bats & bat droppings

Answer 6

Histoplasma

Question 7

Common cause of PNA: Joaquin valley

Answer 7

Coccidiodes imitis

Question 8

Common cause of PNA: currant jelly sputum

Answer 8

Klebsiella

Question 9

Common cause of PNA: air conditioners

Answer 9

Legionella pneumophila

Question 10

Common cause of PNA: 1 yo or younger

Answer 10

RSV

Question 11

Common cause of PNA: Birth to 28 days

Answer 11

GBS or E. coli

Question 12

Common cause of PNA: young adults

Answer 12

Mycoplasma

Question 13

Common cause of PNA: health problems

Answer 13

Klebsiella

Question 14

Common cause of PNA: viral PNA

Answer 14

RSV, then Influenza

Question 15

Common cause of PNA: COPD exacerbation

Answer 15

H. influenza

Question 16

Common cause of PNA: ventilator pts w/ CF

Answer 16

Pseudomonas aeruginosa

Question 17

DDx ground glass infiltrates

Answer 17

Interstitial pna, PCP pna, Pulmonary edema (including ARDs or cardiogenic edema), Hypersensitivity pneumonitis (e.g., methotrexate causes this), Pulmonary hemorrhage (think drug use, e.g., cocaine)

Question 18

Positive PPD if immunosuppressed pt

Answer 18

> 5 mm induration

Question 19

Normal A-a gradient

Answer 19

5-15 mmHg

Question 20

Causes of high A-a gradient

Answer 20

Difficulty getting oxygen from alveoli to arteries: PE, Pulmonary edema (incl. ARDs), Right-to-Left vascular shunt (bypassing pulmonary circulation), High inspired oxygen count

Question 21

Signs of peritonsilar abscess

Answer 21

Uvula deviation away from abscess; Difficulty opening mouth, Muffled hot potato voice

Question 22

Empiric tx for PNA: 2 mo. old

Answer 22

Macrolides (azithromycin or erythromycin)

Question 23

Empiric tx for PNA: 2 yr old

Answer 23

Amoxicillin (oral) or Ampicillin (IV)

Question 24

Tx atypical PNA

Answer 24

Macrolides (azithromycin or erythromycin)