Also known as: Siamese twins
Conjoined twins undergo surgical separation led by Dr. Frisch and Dr. Latham. The surgery is complicated by an unexpected ventricular septal defect in Dot's heart that must be repaired using a transcatheter closure device performed by Dr. Rhodes.
Also known as: Hole in the heart
A large muscular VSD is discovered in Dot's heart during the separation surgery, requiring an innovative transcatheter repair approach to avoid damaging the heart's conducting system.
Also known as: Gas poisoning
Ms. Goodwin's ex-husband is found unconscious in his garage with the motor running in an apparent suicide attempt. He is treated with hyperbaric oxygen therapy and placed on a psychiatric hold.
Also known as: Suicide attempt
Bert's suicide attempt via carbon monoxide poisoning is a central emotional storyline involving Ms. Goodwin confronting her ex-husband about his selfishness and the impact on their children.
Also known as: Liver inflammation
Multiple homeless teenagers are diagnosed with hepatitis A after living in close quarters in an encampment. This triggers a public health response including isolation, immunization of contacts, and clearing the encampment. Five patients total are treated.
Also known as: Liver inflammation
Laura, a homeless teenager who previously gave birth and placed her baby for adoption, is found to have chronic hepatitis C in addition to acute hepatitis A. The chronic Hep C has caused significant liver and kidney damage. She dies despite treatment, and her baby must be tested.
Also known as: Donor heart too big for chest
Dr. Reese's father is recovering from a heart transplant and preparing for discharge to a rehab facility. He manipulates Sarah into taking him home instead, claiming personality changes from the transplant.
Also known as: Sociopathy
Dr. Charles confronts Bob Haywood about his antisocial personality disorder, noting that a heart transplant won't change his brain pathology. The episode ends with Dr. Charles connecting Bob to the disappearance of a student from his past.