The lighter clinic subplot features Georgia (Shirley Knight), an elderly woman admitted because she is in an "unnaturally good mood". : Advanced, neuro-syphilis .
: Much of the episode's tension comes from Matt’s mother, Margo (Roxanne Hart), who loses faith in the team after their early misdiagnoses cause Matt to seize. The episode explores the ends-justify-the-means approach when House has Chase (Jesse Spencer) impersonate a CDC official to trick the mother into consenting to life-saving treatment. PoisonHouse M.D. : Season 1 Episode 8
: Organophosphate poisoning (specifically phosmet). Margo (Roxanne Hart)
: This episode marks the first time characters note the similarities between House and Foreman (Omar Epps). Both are shown to prioritize the "puzzle" and medical victory over traditional bedside empathy, a recurring theme throughout the series. a recurring theme throughout the series.
