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27 Cards in this Set
- Front
- Back
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Weight loss, 3 week fever, dry cough, joint pain, from Arizona. Erythema nodosum. Indicates:
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coccidiomycosis (C. immitis fungus) (found in Arizona)
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C immitis arthroconidium deposits where in the respiratory tract?
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terminal bronchiole
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Coccidiomycosis treatment
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itraconazole, fluconazole
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Patient with COPD on steroids with cough + green sputum, SOB, chest pain, headache. Indicates:
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nocardia; steroids = immunocompromised; also headache indicates CNS involvement common with nocardia
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Nocardia are gram (+ or -)
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+
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Main treatment for nocardia
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sulfonamides
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Patient with periodontal disease and foul sputum with left chest wall draining lesion. Indicates:
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actinomycosis
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Actinomyces are gram (+ or-)
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+
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"Molar tooth" colonies on slides indicate which infection?
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actinomycosis
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Sulfur granules from an abscess indicate what infection?
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actinomycosis
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Actinomycosis treatment
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penicillin G + amoxicillin; clindamycin or doxicycline if allergic to penicillin
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Patient with green sputum, fever, SOB, chronic cough is worsening, has cystic fibrosis. Wheezing and bilateral rales with patchy infiltrate. Indicates what infection:
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atypical pneumonia; pseudomonas aeruginosa (common with CF)
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2 most common infections with cystic fibrosis
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P. aeuroginosa and B cepacia (H influenza and staph are also common)
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Pseudomonas aeruginosa is gram (+ or -)
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-
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Which bacteria have a fruity odor on agar?
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pseudomonas aeruginosa
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pseudomonas aeruginosa exotoxin A mechanism
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ADP ribosylation of EF-2
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pseudomonas aeruginosa treatment
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piperacillin, cephalosporin (3rd gen), imipenem. tobramycin
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pseudomonas aeruginosa endotoxin
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LPS (it is gram negative)
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Patient with SOB, productive cough, chest pain, yellow discharge in eyes. Indicates:
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staph aureus
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Grape-like clusters on culture indicate what infection?
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staph aureus
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staph aureus treatment
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nafcillin, methicillin; vancomycin if resistant
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Low BP, malaise, muscle aches, low O2, thrombocytopenia. In New Mexico near deer mice. Indicates:
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Si Nombre Virus (hantavirus); associated with rodent urine
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Hantavirus genome
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ssRNA
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A patient infected with hantavirus would show what obvious change in the CBC?
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thrombocytopenia (low platelets); increased bands
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Rodent urine is associated with which virus?
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hantavirus (Si Nombre Virus)
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Shortness of breath, chest pain, cough, diarrhea indicate:
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SARS (coronavirus)
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coronavirus genome
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ssRNA
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