CTICasesTotal Artificial Heart (SynCardia) — CT Appearance
Imaging findings
Chest radiograph demonstrates four prosthetic heart valves and bilateral air-filled ventricular chambers consistent with a total artificial heart (SynCardia TAH) implanted as a bridge to transplant following severe acute myocardial infarction with cardiogenic shock. CT confirms the bilateral pneumatic prosthetic ventricles connected to the native atria via prosthetic mitral and tricuspid valves, with aortic and pulmonary arterial outflow tracts.
Key takeaways
The SynCardia total artificial heart (TAH) is a biventricular pneumatic device implanted after resection of the native ventricles, connected to the native atria and great vessels. On chest radiograph it is identified by four prosthetic heart valves and bilateral air-containing ventricle chambers. CT allows detailed evaluation of prosthetic valve position, ventricular chamber morphology, and the great vessel anastomoses. The device is used as a bridge to cardiac transplantation.
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