What pathogens should be considered when shock is present in community-acquired pneumonia (CAP)?

Updated: Oct 31, 2019
  • Author: Stephanie L Baer, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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With the exception of CAP due to particularly virulent organisms (eg, S aureus, Hantavirus, severe acute respiratory syndrome [SARS], Legionella), CAP does not typically present with shock in otherwise healthy hosts. Therefore, in addition to considering the possibility of CAP due to a hypervirulent pathogen, patients who present with fever, dyspnea, leukocytosis, pulmonary infiltrates, and shock in the absence of conditions associated with hyposplenism should be evaluated for imitators of pneumonia, such as acute myocardial infarction or acute pulmonary embolism.

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