How to perform a critically appraised topic: part 1, ask, search, and apply

AJR Am J Roentgenol. 2011 Nov;197(5):1039-47. doi: 10.2214/AJR.09.7205.


Objective: This article outlines the first three steps involved in performing a critically appraised topic for studies of diagnostic tests: Ask, formulate a question; Search, search the literature; and Apply, apply a level of evidence to the retrieved literature.

Conclusion: Critically appraised topics provide a structured approach to formulating a clinical question, effectively searching the literature, assigning a level of evidence to the obtained literature, appraising the literature, and making recommendations for clinical practice.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Clinical Competence*
  • Diagnostic Imaging*
  • Evidence-Based Medicine*
  • Humans
  • Research Design*
  • Review Literature as Topic*