Community-acquired pneumonia diagnostic criteria

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Infectious Diseases Society of America/American Thoracic Society consensus recommendation criteria for severe community acquired pneumonia in adults. (DO NOT EDIT)

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Minor criteria Respiratory rate >30 breaths/min PaO2/FiO2 ratio <250 Multilobar infiltrates Confusion/disorientation Uremia (BUN level, >20 mg/dL) Leukopenia (WBC count, <4000 cells/mm3) Thrombocytopenia (platelet count, < 100,000 cells/mm3) Hypothermia (core temperature, <36 degrees C) Hypotension requiring aggressive fluid resuscitation Major criteria Invasive mechanical ventilation Septic shock with the need for vasopressors

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