Also known as: Connection between aorta and intestine causing bleeding
Mrs. Factor is mentioned as having an aortoenteric fistula requiring a surgical consult from Turk, though the case is not followed through the episode as J.D. is playing hide-and-seek with his pediatric patient.
Also known as: Fluid in the lungs
Elliot has a patient from Berlin who needs to be informed he has fluid in his lungs, requiring J.D.'s help to translate into German. This is a brief case used primarily for comedic purposes.
Also known as: Bone infection
Elliot mentions having a patient with osteomyelitis who needs a bone biopsy, seeking Dr. Cox's recommendation for a bone specialist. The case is used as part of the running gag about Cox refusing to acknowledge Elliot's existence.
Also known as: Unplanned pregnancy
Carla's pregnancy is the central storyline of the episode. Turk discovers she's pregnant from a home test but wants to surprise her, leading to elaborate schemes to ensure she finds out on her own terms. The entire hospital staff becomes involved in keeping the secret and helping her take another test.