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Updated: Sep 12, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Interventricular septal shift due to massive pulmonary embolism shown by CT pulmonary angiography: an old sign
T B Oliver1, J H Reid, J T Murchison
1Department of Clinical Radiology, University Hospital of Wales, Cardiff, UK.
Abstract:
The computed tomographic (CT) pulmonary angiogram appearances of acute right ventricular dysfunction due to massive pulmonary embolus in a patient are described. Abnormal findings comprised right ventricular dilatation, interventricular septal shift, and compression of the left ventricle. These changes resolved following thrombolysis. Use of CT pulmonary angiography to diagnose pulmonary emboli is increasing. Secondary cardiac effects are established diagnostic features shown by echocardiography. These have not been previously described but are important to recognise as they may carry important prognostic and therapeutic implications.
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