Chief of neurosurgery: Rep. Giffords is "holding her own"

Editor's Note: Dr. Sanjay Gupta is blogging at CNN.com/Health on what helped Congresswoman Gabrielle Giffords survive the shot to the head

The University Medical Center in Tucson is expected to give an updated diagnosis on Congresswoman Gabrielle Giffords, who was shot in the head after an attack on Saturday, later this morning.

But on American Morning Kiran Chetry speaks to the chief of neurosurgery at the hospital, Dr. Michael Lemole, for a quick update. Dr. Lemole remains optimistic saying that "no change is good" when it comes to Giffords current state.