Pulmonary embolism diagnostic approach

Revision as of 13:15, 9 May 2014 by Rim Halaby (talk | contribs)
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The diagnostic approach to pulmonary embolism requires the initial assessment of the pretest probability of the disease.

Diagnosis Algorithm

 
 
 
 
 
 
 
Assess the pretest probability of PE
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Low pretest probability of PE
 
 
 
 
 
 
 
High pretest probability of PE
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Order D-dimer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Normal D-dimer (<500 ng/ml)
 
Elevated D-dimer (>500 ng/ml)
 
 
 
 
 
Order CT pulmonary angiography
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PE is excluded
 
 
 
 
 
 
Negative
 
 
Positive
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PE is excluded
 
 
PE is confirmed

References

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