1.   Both pumps are descended from a category of pumps called left ventricular assist devices, or LVADS.

2.   Smaller, less complicated devices known as left ventricular assist devices, or LVADs, are drawing attention from investors.

3.   The pump, the MicroMed DeBakey VAD, is descended from a category of pumps called left ventricular assist devices, or LVADs.

4.   Another possibility is mechanical pumps, called left ventricular assist devices.

5.   DeBakey revealed that he had a team standing by during the operation with with a so-called left assist ventricular device, which acts like an artificial heart.

6.   Margulies said the heart tissue probably rebounded because the pump, called a left ventricular assist device, or LVAD, gave the heart a rest.

7.   One of the most widely tested is the left ventricular assist device, which is attached to a diseased heart to help it do its work.