Fast Five Quiz: Pneumonia Practice Essentials

L pneumophila CAP (Legionnaires disease) is associated with the following findings:

• Gastrointestinal (eg, diarrhea) and neurologic symptoms (eg, headache, confusion) in the setting of pneumonia

• Positive history of water or travel exposure

• Relative bradycardia during febrile episode

• Hyponatremia, hypophosphatemia, elevated creatine phosphokinase level, elevated ferritin level, myoglobinuria

• Leukocytosis with relative lymphopenia

• Unresponsive to beta-lactam antibiotics

Mycoplasma pneumoniae CAP is associated with the following findings:

• Headache, fever, malaise, sore throat in young adult with insidious onset of cough

• Erythema multiforme major (Stevens-Johnson syndrome)

• Cardiac conduction abnormalities

• Hemolytic anemia and cold-agglutinin syndrome

• Neurologic abnormalities, including aseptic meningitis or meningoencephalitis, Guillain-Barré syndrome, transverse myelitis

Coxiella burnetii CAP (Q fever) is associated with the following factors:

• Acute infection

• Severe retrobulbar headache, myalgias, fever, rigors, nonproductive cough

• Elevated aminotransferase levels and thrombocytopenia

• Maculopapular or purpuric rash

• Zoonotic exposure (goats, sheep, cattle most common)

Read more clinical information on Legionnaires disease.

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Cite this: Michael Stuart Bronze. Fast Five Quiz: Pneumonia Practice Essentials - Medscape - Nov 03, 2021.