Cardiac tamponade MRI

Cardiac tamponade Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Priyamvada Singh, M.D. [2] Ramyar Ghandriz MD[3]

Overview

Cardiovascular MRI is not commonly used for the diagnosis of cardiac tamponade as it is effectively diagnosed based on clinical features and echocardiography.

MRI

• MRI has a limited role in the setting of cardiac tamponade due to the emergent and life-threatening nature of the disease.
• Cardiac tamponade is characterized by the diastolic collapse the right-sided chambers and sometimes the left-sided chambers on cine images.

Findings

• Pericardial effusion
• Distension of the vena cavae and hepatic veins
• Collapse of the right sided cardiac chambers
• Interventricular septum shifts towards the left (paradoxical septal motion)