Also known as: Heart attack
Mr. Sutton presented with heartburn but J.D. discovered a blocked artery through careful EKG analysis, preventing what would have been a fatal heart attack. This case drives J.D.'s obsession with receiving gratitude from the patient.
Also known as: Whooping cough
Mr. Foster was initially admitted with coughing and shortness of breath after exposure to pertussis outbreak in India. However, this was not his ultimate cause of death.
Also known as: Blood clot in lung
Mr. Foster died from a pulmonary embolism that was missed on radiological scan, likely caused by his 21-hour flight from India. This is the central medical case of the episode, driving the entire morbidity and mortality conference plot and exploring themes of medical error and responsibility.
Also known as: GI bleed
Elliot was treating Mrs. Wilk's son for blood in his stool, which led to her interactions with the boy's father and the inappropriate kiss that creates a subplot in the episode.