Also known as: Blood cancer
An 11-year-old girl diagnosed with acute myeloid leukemia who needs a bone marrow transplant. Her original donor died, leading her adoptive parents to locate her biological mother, Izzie Stevens, as a potential donor. Izzie undergoes bone marrow donation to potentially save Hannah's life.
Also known as: CHF
Patient requiring a heterotopic heart transplant (piggyback transplant) where a new heart is attached to the existing heart rather than replacing it. The procedure is performed by Dr. Marlow with Burke and Cristina assisting, becoming a point of professional competition.
Also known as: Face injury
Recurring patient who underwent facial reconstructive surgery after severe trauma. Her photos are released to help identify her, leading to a family claiming her as their daughter Shannon, though this is later revealed to be incorrect. She remains on bedrest due to her pregnancy.
Also known as: Memory loss
Patient with complete memory loss following her traumatic injury, unable to remember her identity or family. A family claims to recognize her, but the mother privately admits the patient is not actually her daughter, creating an ethical dilemma.
Also known as: Bed rest pregnancy
Eight-months pregnant patient on strict bedrest and IV antibiotics with close monitoring of the baby. Dr. Montgomery is managing her pregnancy complications while also dealing with her amnesia and identity issues.