Day 6 - Pulm1 Quiz Flashcards

1
Q

Pulmonary edema relevance of PCWP

A

Distinguish ARDS (v. left heart failure) - PCWP

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2
Q

Dx characteristic of ARDs

A

PCWP

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3
Q

Common cause of PNA: immunocompromised pts

A

PCP

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4
Q

Common cause of PNA: walking PNA

A

Mycoplasma pneumoniae

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5
Q

Common cause of PNA: alcoholics

A

Klebsiella

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6
Q

Common cause of PNA: bats & bat droppings

A

Histoplasma

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7
Q

Common cause of PNA: Joaquin valley

A

Coccidiodes imitis

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8
Q

Common cause of PNA: currant jelly sputum

A

Klebsiella

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9
Q

Common cause of PNA: air conditioners

A

Legionella pneumophila

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10
Q

Common cause of PNA: 1 yo or younger

A

RSV

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11
Q

Common cause of PNA: Birth to 28 days

A

GBS or E. coli

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12
Q

Common cause of PNA: young adults

A

Mycoplasma

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13
Q

Common cause of PNA: health problems

A

Klebsiella

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14
Q

Common cause of PNA: viral PNA

A

RSV, then Influenza

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15
Q

Common cause of PNA: COPD exacerbation

A

H. influenza

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16
Q

Common cause of PNA: ventilator pts w/ CF

A

Pseudomonas aeruginosa

17
Q

DDx ground glass infiltrates

A

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)

18
Q

Positive PPD if immunosuppressed pt

A

> 5 mm induration

19
Q

Normal A-a gradient

A

5-15 mmHg

20
Q

Causes of high A-a gradient

A

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

21
Q

Signs of peritonsilar abscess

A

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

22
Q

Empiric tx for PNA: 2 mo. old

A

Macrolides (azithromycin or erythromycin)

23
Q

Empiric tx for PNA: 2 yr old

A

Amoxicillin (oral) or Ampicillin (IV)

24
Q

Tx atypical PNA

A

Macrolides (azithromycin or erythromycin)