Also known as: Brain tumor
Amy attempts an innovative 90-second procedure to remove a gliosarcoma that has invaded the carotid artery, requiring precise balloon catheter placement and timing to prevent stroke. The episode focuses on Amy's determination to save the patient despite Derek's initial refusal.
Also known as: PTSD
Owen and Cristina attend couples therapy where their respective PTSD from the war and hospital shooting is discussed as a contributing factor to their marital problems, though both claim to have recovered from it at different times.
Also known as: Crushed hand
Dominic's hand is trapped in a meat grinder requiring emergency extraction and complex reconstructive surgery. Meredith and Callie perform an innovative toe-to-thumb transfer using the second toe to restore hand function.
Also known as: Coronary artery tear
Pregnant intern Morgan suffers a pregnancy-related spontaneous coronary artery dissection causing an acute MI, requiring emergency cardiac surgery and premature delivery at 24 weeks gestation.
Also known as: Heart attack
Morgan's acute MI results from the spontaneous coronary artery dissection during her pregnancy, manifesting with chest tightness, nausea, shortness of breath, and indigestion.
Also known as: Preterm delivery
Morgan's baby is delivered at 24 weeks gestation due to her need for cardiopulmonary bypass surgery. The premature infant requires intubation, develops spontaneous intestinal perforation requiring surgery, and has a patent ductus arteriosus treated with indomethacin.
Also known as: Lymphatic swelling
Carrie suffers severe bilateral arm lymphedema following extensive cancer surgeries. Bailey initially refuses but ultimately approves a lymph node transfer procedure to restore function, which is complicated by subclavian artery bleeding due to extensive scar tissue.
Also known as: Breast cancer spread to kidney
Carrie's cancer history is referenced as the cause of her current lymphedema, having undergone multiple extensive surgeries over eight years that Bailey performed to save her life.
Also known as: Hole in the heart
The premature infant develops PDA, a congenital heart defect common in preemies where the ductus arteriosus fails to close, treated with indomethacin medication.
Also known as: Perforated intestine
Morgan's premature baby suffers a spontaneous intestinal perforation shortly after birth, requiring emergency surgical repair by Karev and Robbins.