The microbial causes of pneumonia vary according to its origin and the immune constitution of the patient. Pneumonia is classified into community-acquired pneumonia (CAP), hospital-acquired pneumonia (HAP) and pneumonia in the immunocompromised. The guideline development process is guided by its scope - ...

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Am. fam. physician; 83 (11), 2011

Community-acquired pneumonia is diagnosed by clinical features (e.g., cough, fever, pleuritic chest pain) and by lung imaging, usually an infiltrate seen on chest radiography. Initial evaluation should determine the need for hospitalization versus outpatient management using validated mortality or severi...

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