That looks like an intra-aortic ballon pump. Not 100% on that though. I believe that the IABP doesn't extend so far into the left ventricle. Bigmac????
Now: 1999 Malibu Response LX Monsoon 325
Past:1994 MasterCraft Prostar 205
"Call on God, but row away from the rocks"- Dr.Hunter S. Thompson