Dr. Cox assigns J.D. to handle Mrs. Barlow's case involving interstitial lung disease as a teaching moment, since J.D. expressed doubts about his ability to diagnose this category of conditions.
Also known as: Lupus
Dr. Casey diagnoses Carol with lupus and discusses her pericarditis complication while noting her renal function remains good, demonstrating his methodical approach to patient care.
Dr. Casey diagnoses a patient with Gaucher's disease after testing for beta-glucosidase deficiency, showing up Dr. Cox who was stumped by the case presenting with anemia and bone fractures without leukemia.
Also known as: OCD Harm (violent obsessions)
Dr. Casey's severe OCD is central to the episode's plot, showing how he manages it with therapy and Zoloft. His condition forced him to drop out of residency years ago, but he learned to embrace it and use his compulsiveness to become an exceptional doctor.
Also known as: PML
Mentioned during the competitive rounds session as a demyelinating CNS disorder associated with the JC virus, used to test Dr. Cox's knowledge during his competition with Dr. Casey.
Referenced during the medical knowledge competition between Dr. Cox and Dr. Casey, characterized by absence of von Willebrand receptors, demonstrating both doctors' expertise.
J.D. uses this rare metabolic disease characterized by angiokeratomas as his trump question to challenge Dr. Cox during their knowledge competition, exploiting Cox's earlier lie about being weak in metabolic diseases. Dr. Casey ultimately provides the correct answer.