CTICasesTandemHeart Left Ventricular Assist Device
Imaging findings
Bedside radiograph and CT show a large-bore cannula entering the femoral vein, traversing the inferior vena cava and right atrium, and crossing the interatrial septum into the left atrium, representing a TandemHeart mechanical circulatory support system.
Key takeaways
The TandemHeart is a percutaneous extracorporeal left ventricular assist device. It withdraws oxygenated blood from the left atrium via a transseptal cannula and pumps it back into the systemic circulation via a femoral arterial cannula, providing temporary hemodynamic support distinct from standard ECMO or IABP.
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