Pulmonary embolism CT protocol for pericarditis has a sensitivity of 54-59% and specificity of 91-96%.
A+cta Radiol. 2013 Dec 10. [Epub ahead of print]
Accuracy of computed tomography findings in acute pericarditis.
Hammer MM, Raptis CA, Javidan-Nejad C, Bhalla S.
http://www.ncbi.nlm.nih.gov/pubmed/24327762
- CT looks for pericardial thickening or effusion
- sensitivity is about 50-50 though specificity is high at 91-96%
Comment – don’t rely on CT