Season 10, Episode 15

Also known as: Gas poisoning

An entire family is found unconscious due to carbon monoxide from a faulty heater. The pregnant mother is saved because her baby's hemoglobin absorbed the CO, but this puts the newborn at critical risk requiring hyperbaric oxygen therapy.

Also known as: Baby in distress

The baby develops severe distress from absorbing carbon monoxide meant for the mother, which induces premature labor. After delivery, he requires immediate resuscitation and hyperbaric oxygen therapy with carboxyhemoglobin level of 48%.

Also known as: Collapsed lung

While undergoing hyperbaric oxygen therapy for CO poisoning, the infant develops a tension pneumothorax requiring emergency needle decompression and chest tube placement inside the hyperbaric chamber.

Also known as: Meth overdose

A young male found covered in blood presents with severe agitation, hallucinations about demons, and altered mental status. Found with a meth pipe. Later revealed to be the perpetrator of stabbings.

Also known as: Stabbing

Woman in her fifties with multiple stab wounds to neck, chest, and abdomen from her son's drug-induced attack. She suffers massive blood loss, hypotension, and dies despite resuscitation efforts.

Also known as: Stabbing

Husband stabbed 11 times by his son, suffering abdominal wounds requiring open laparotomy, thoracoscopy, and pericardiectomy. Taken to surgery while still hypotensive.

Also known as: Lung infection

Jing-Mei's father develops pneumonia while bed-bound recovering from a pelvic fracture sustained in the car accident that killed his wife. He requires hospital admission for IV antibiotics.

Also known as: Blood clot in lung

Mentioned as the cause of death for Jing-Mei's mother following the car accident in China, occurring while Jing-Mei was asleep at the hotel.

Also known as: Strep throat

Young girl left alone in the ER by her working single father presents with sore throat and fever. Culture confirms strep throat requiring antibiotics, but case highlights abandonment concerns.

Also known as: Unplanned pregnancy

42-year-old grandmother of five presents with nausea, vomiting, and fatigue. Discovers she is pregnant due to St. John's Wort rendering her birth control pills ineffective.

Also known as: Perforated eardrum

While in the hyperbaric chamber treating the infant, Neela experiences ear pain and bleeds from her ear due to a perforated eardrum from pressure changes during emergency ascent.

Also known as: Unplanned pregnancy

Susan reveals to her father that she is pregnant with Chuck Martin's baby, a recurring character arc throughout the episode as she struggles with when and how to tell him.