. >> once removed from the donor's body the heart is quickly connected to the device through the aortaheart pumping ] >> this is seriously one of the most amazing things i've seen. there is a heart beating right in front of me. >> it continues to receive warm blood as well as a proprietary formula of knew nutrients. >> how long could you keep a heart beating on this. >> as long as you would like. >> they showed me how the device aklaus clinicians to monitor the hearts' rhythm and other vital signs every step of the way. >> this thing let's you know that everything is going okay? >> absolutely. >> what happens if anything goes wrong. >> you have alarms telling you that you're out of range, and you can immediately control it, change pump flow, change the settings to treat this heart. you have a very comprehensive analysis of how this heart is behaving, and you have a chance to improve that behavior when needed. >> so i have two questions for you. one, how fragile is the heart, and, two, can i touch it? >> one, it's not very fragile, two, yes, you can touch it, but it's not the norm durin