Also known as: Narcotic overdose
Referenced patient who died from opioid overdose in a previous episode, motivating Dr. Halstead's proposal for a safe injection site at the hospital.
Also known as: Third-degree burn
Dr. Abrams initially believed to have suffered 55% TBSA full-thickness burns and C-spine injury from a plane fire at O'Hare. His wife Michelle attempts to withdraw life support believing he would be quadriplegic. Later revealed to be a case of mistaken identity—the real Sam Abrams was uninjured.
Also known as: Neck injury
C4-C5 subluxation identified on X-ray in the burn victim initially thought to be Dr. Abrams, which would have resulted in catastrophic quadriplegia.
Also known as: Abruption
Pregnant woman at 32 weeks gestation who suffers placental abruption during plane accident at O'Hare, requiring emergency delivery in the ED.
Also known as: SP-B deficiency, interstitial lung disease
Newborn diagnosed with SP-B deficiency causing interstitial lung disease requiring lung transplant. The case reveals an IVF embryo mix-up at the fertility clinic, leading to the discovery that Mazie's biological parents are different from those who carried and birthed her.
Also known as: Cold exposure
Eight-month-old infant left in car by his mother Gwen Garrett, resulting in hypothermia with core temperature of 94°F. Represents maternal neglect in the context of a contentious custody battle.
Also known as: Diminished ovarian reserve
April's ongoing fertility issues are revealed as she discusses attempting IVF with Ethan after previously believing she couldn't have children. This is part of her character arc following her engagement to Dr. Choi.