18-year-old basketball player diagnosed with Marfan syndrome, a connective tissue disorder that has caused multiple brain aneurysms and an aortic aneurysm. Her father died at 27 from a ruptured brain aneurysm, likely due to undiagnosed Marfan syndrome. She requires complex surgery to address the aneurysms.
Also known as: Brain aneurysm
Jackie has four cerebral aneurysms, including a large basilar artery aneurysm that requires immediate intervention. Amelia must embolize three endovascularly and perform open surgery with circulatory arrest to clip the fourth, most dangerous aneurysm.
Also known as: Bulging blood vessel in the aorta
Jackie has an aortic root aneurysm that complicates her brain surgery, as putting her on bypass creates risk of the aortic aneurysm rupturing. Winston must carefully manage this during the circulatory arrest procedure.
Also known as: Heat stroke
52-year-old crane operator with severe heat stroke presenting with temperature of 106-109 degrees and altered mental status. Develops cardiac complications requiring aggressive cooling measures and ultimately goes into ventricular fibrillation requiring resuscitation.
Also known as: Heart attack
While being treated for heat stroke, Carl develops ST elevations and goes into ventricular fibrillation, requiring defibrillation and ultimately receives a stent placement.
Also known as: Trampled
20-year-old male crushed by collapsed crane with injuries to abdomen and right upper extremity. Requires emergency surgery for abdominal trauma with mesenteric bleeding discovered during operation. Also presents with elevated temperature requiring cooling measures.
Also known as: Broken arm
David has an unstable humerus fracture from the crane collapse that requires orthopedic intervention after his abdominal surgery is completed.
Also known as: Grieving
Mika returns to work after her sister Chloe's death but experiences flashbacks and panic during a patient coding. She realizes she cannot continue working at Grey-Sloan and ultimately decides to leave the residency program to focus on grieving and healing.
Also known as: Unplanned pregnancy
Jo discovers she is pregnant and experiences vaginal bleeding while trapped during an armed robbery at a convenience store, raising concerns about potential miscarriage.