Pleural effusion in pulmonary embolism.

  title={Pleural effusion in pulmonary embolism.},
  author={Richard W. Light},
  journal={Seminars in respiratory and critical care medicine},
  volume={31 6},
An estimated 300,000 to 500,000 patients develop a pleural effusion secondary to pulmonary embolism each year in the United States. The pleural effusions due to pulmonary embolism are usually small. They occupy less than one third of the hemithorax in 90% and are frequently manifest only as blunting of the costophrenic angle. The pleural fluid with pulmonary embolism is almost always an exudate. When pulmonary embolism is considered a diagnostic possibility, the clinical probability of… CONTINUE READING
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