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]

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

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
• Cardiac chambers collapse (right wall collapse more common compared to left)
• Interventricular septum shifts towards the left