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Related to community-acquired pneumonia: Nosocomial pneumonia
community-acquired pneumonia (CAP),
pneumonia caused by any organism found regularly outside the hospital; common organisms include Streptococcus pneumoniae, Haemophilus influenzae, and Mycoplasma, as opposed to hospital-acquired or nosocomical pneumonia.
Farlex Partner Medical Dictionary © Farlex 2012
Pneumonia that a person acquires outside of a hospital or other health care institution, as distinguished from nosocomial, or hospital-acquired pneumonia.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
community-acquired pneumoniaPneumonia caused by an infection currently present in the community; CAP is the most common cause of infectious death–US, and number 6 killer overall; of the 57% of CAPs in which a pathogen is identified, S pneumoniae causes 60%, H influenzae 15%, Legionella pneumophila 10-15%, Staphylococcus aureus 2-10% Clinical Atypical pneumonia with delayed recognition; early SX are distinctly nonpulmonary–eg, dry cough, myalgia, arthralgia Diagnosis Pathogens in pleural fluid or blood cultures, Pneumocystis carinii in sputum or BAL, a 4-fold ↑ in Mycoplasma pneumoniae antibody titers, isolation of L pneumophila, or a 4-fold ↑ in L pneumophila antibody titers, or positive direct fluorescent antibody test for legionella, S pneumoniae antigen in serum, urine Risk factors Alcoholism, seizure disorders, smoking, immunosuppression
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Pneumonia occurring in outpatients, often caused by infection with streptococcus, Haemophilus influenzae, Staphylococcus aureus, and atypical organisms such as Legionella species. Mortality is approximately 15% but depends on many host and pathogen features.
See also: pneumonia
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