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Chapter 30. Imaging

Brian K Gehlbach, MD
DOI: 10.1378/critcare.21.30
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Sections

Objectives 
  • Describe how to evaluate suspected pulmonary embolism in pregnancy using the American Thoracic Society/Society of Thoracic Radiology Clinical Practice Guideline.

  • Describe the uses and limitations of bedside ultrasonography.

  • Describe the evidence supporting the use of an on-demand strategy to chest radiography in ICU patients.

  • Describe the advantages and disadvantages of different approaches to the diagnosis of suspected esophageal perforation and suspected aortic dissection.

  • Cite risk factors for the development of contrast nephropathy and nephrogenic systemic fibrosis and list strategies for their prevention.

Synopsis 

The practice of critical care relies heavily on imaging. As a result, the intensivist needs to be familiar with the indications, advantages, disadvantages, and potential toxicities of a wide variety of imaging modalities, regardless of whether the practitioner personally interprets all of them. This chapter summarizes recent evidence-based practices related to the safe and effective use of different imaging modalities, including the following: (1) The approach to evaluating suspected pulmonary embolism in pregnancy. (2) The uses and limitations of bedside ultrasonography. (3) The evidence supporting the adoption of an on-demand strategy to chest radiography in the ICU. (4) The pros and cons to different approaches to the diagnosis of esophageal perforation and aortic dissection. (5) The prevention of contrast nephropathy and nephrogenic systemic fibrosis.

References

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