GOOD NEWS: We have fixed the DICOM uploading problem. New cases should work fine. More info radiopaedia.org/chat

Saddle pulmonary embolism

Case contributed by Bruno Di Muzio
Diagnosis certain

Presentation

Collapse at home.

Patient Data

Age: 44
Gender: Male

CT Pulmonary Angiogram

ct

Satisfactory opacification of the pulmonary artery.

ETT well positioned. Large saddle embolus is noted, extending into the lobar pulmonary arteries bilaterally. Right heart strain is noted, with enlargement of the RV, bulging of the interventricular septum and small amount of reflux of contrast into the hepatic veins. Minor left lingula atelectasis. No pleural or pericardial effusion. Enlarged mediastinal lymph node measures 12 mm in the short axis, at the aortopulmonary window. Imaged upper abdominal organs are unremarkable. No suspicious osseous lesion.

Conclusion: Large saddle embolus, with evidence of right heart strain. Team was present at time of scanning.

Case Discussion

saddle pulmonary embolism commonly refers to a large pulmonary embolism that straddles the bifurcation of the main pulmonary artery, extending into the left and right pulmonary arteries.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.