Also known as: TTTS
Tess is pregnant with triplets, two of whom share blood vessels causing one baby's heart to fail from too much blood while the other is starved. Addison performs laser surgery to separate the blood supplies, but complications arise when Tess has a hyperthermic reaction during the first attempt. One healthy baby dies, but Addison successfully completes the procedure under local anesthesia to save the remaining two affected babies.
Also known as: Anesthesia allergy
During the first surgical attempt to treat the twin-to-twin transfusion syndrome, Tess develops a hyperthermic reaction to anesthesia requiring treatment with Dantrolene and termination of the procedure.
Also known as: GSW to chest
Kevin is shot in the line of duty and brought to the hospital with a pneumothorax requiring chest tube placement and bleeding around the liver. Addison assists in his surgery but is called away to treat her obstetric patient.
Also known as: Pedophilia
Hal is court-mandated to receive therapy with Violet after being convicted of possessing inappropriate images of children. He reveals intrusive thoughts about a specific young girl named Jody and discusses his own history of childhood sexual abuse. Violet ultimately determines he poses a credible threat and violates confidentiality to report him to protect the child.