[Tervuren]

If DR.'s save lives, how can they save the life of a dead person? There isn't life to save.

The heart stopped beating for a period of time such that the DR.'s intervened to restart it, and thereby saved his life.

If you were in a similar situation, would you thank the Dr's for saving your life? If they saved your life, then it is still you.

The prisoner was revived. He still has his body, his mind, and his identity.

Now if on the other hand they had gone about to create a new person and a new life like Dr. Frankenstien, maybe.