This photo shows the new cardiac device ― a thin, elastic membrane ― fitted over a rabbit's heart. The membrane is imprinted with a network of electrodes that can monitor cardiac function and deliver an electrical impulse to correct an erratic heartbeat.
Credit University of Illinois and Washington University
The new procedure – called transcatheter aortic valve replacement – involves replacing the aortic valve which connects the left ventricle (B) to the aorta (A). You can see a video of this in the story below.