What are the most common causes of infiltrates in ventilated patients?

Updated: Apr 15, 2021
  • Author: Kartika Shetty, MD, FACP; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

Answer

The most common causes of infiltrates in ventilated patients with fever and/or leukocytosis include the following conditions:

  • Congestive heart failure
  • Pulmonary embolus or infarction
  • Acute respiratory distress syndrome
  • Pulmonary drug reactions
  • Collagen vascular diseases with pulmonary manifestations
  • Alveolar hemorrhage
  • Pulmonary contusion
  • Bronchiolitis obliterans-organizing pneumonia (BOOP)
  • Hypersensitivity pneumonitis.
  • Interstitial lung disease
  • Bronchogenic carcinomas

ARDS is usually readily diagnosable based on the appearance of small lung volumes due to microatelectatic changes on the chest radiograph and the progressive and severe hypoxemia. Little or no fever accompanies ARDS, unless it is due to acute pancreatitis.


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