Infectious Diseases 2 Flashcards

1
Q

What infection should be suspected in a middle-aged smoker with pneumonia associated with diarrhea, abdominal pain, headaches, hyponatremia, and elevated liver enzymes?

A

Legionella

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2
Q

What is the appropriate treatment for legionellosis?

A

Azithromycin and a β-lactam (e.g. Cefuroxime)

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3
Q

What is the appropriate treatment for Chlamydophila psittaci? Who is at risk for this infection?

A

Doxycycline; pet store workers and zoo keepers.

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4
Q

Bronchiectasis, corticosteroid therapy, recent administration of Abx, and malnutrition are risk factors for _______ pneumonia.

A

Pseudomonas

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5
Q

The appropriate tx for Pseudomonal pneumonia is ______.

A

Piperacillin-tazobactam + ciprofloxacin

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6
Q

What is the protocol for antibiotic prophylaxis of pts w/ moderate to high risk for cardiac complications of dental procedures?

A

Oral amoxicillin, 2g, 1 hr before procedure or IV or IM ampicillin, 2 g, 30 mins before procedure.

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7
Q

What is the protocol for Abx prophylaxis of moderate risk pts undergoing invasive procedures, such as GI or GU surgery?

A

IV ampicillin, 2g, 30 mins before procedure.

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8
Q

What is the antibiotic prophylaxis protocol for high risk pts undergoing invasive procedures?

A

2g ampicillin IV + gentamicin, 1.5 mg/kg, 30 min before procedure.

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9
Q

What fingernail finding is associated w/ cirrhosis?

A

Terry’s nails (white proximal mail beds)

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10
Q

What are the 3 most common causative organisms of osteomyelitis in a sickle cell pt?

A

S. aureus, streptococci, and Salmonella spp.

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11
Q

Which 2 are the imaging procedures of choice in the diagnosis of osteomyelitis?

A

MRI and CT

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