Transcript for Medical Doctor Runs Marathon and Compares Bombings to War
There were so many people who inspired us. Earlier today I talked to trauma surgeon doctor David -- who had saved lives in Iraq and Afghanistan and yesterday. Ran the marathon. And then did it again. You. Completed the marathon. That's correct. Highways in the you know athlete recovery area for about thirty or 45 minutes essentially had just just left there. -- and the bomb went off. And of course immediately. Came to the hospital what did you say to yourself when you first heard about this while the moment a walked into the emergency room and -- -- the casualties -- without even examining patients -- -- I could just see the patterns of injury and I thought to myself this is exactly. Like I was back in Iraq or Afghanistan. You're finding metallic particles small metal balls -- Schools in these -- That's right we're not exactly sure. What they are whether there dvds -- -- metal ball bearings were also finding. Nails and screws and other other pieces of metal their twisted and deformed it's not clear -- from the bomb itself or if there from. The environment around the bomb but the bomb may have had other metal object to -- splintered apart. This is what I'm hearing also although I certainly don't know that for fact. The operations that we're we have performed -- identical to the kind of work we would do. In the army at a Ford surgical team -- combat support hospital. Well again we know there is heroism. Large and small. At all times at Mass. General and we thank you so much for joining us and you can at least five surgeries today so we will let you -- -- work thank you very much.
This transcript has been automatically generated and may not be 100% accurate.