Also known as: Alzheimer's disease
Walter exhibits progressive memory loss throughout the episode, including forgetting his grandson's graduation date, wandering at night, experiencing confusion about recent events (not remembering how he found the crash victim), and ultimately acknowledging that 'something's wrong' as he can't remember details of the recent fishing trip despite recalling older memories clearly.
Also known as: Neck injury
Louis, a car crash victim trapped for 4-5 days, complains of sharp pain in his neck, leading the rescuers to suspect spinal damage and take precautions during extraction to prevent further injury.
Also known as: Severe dehydration
Louis survived 4-5 days trapped in his crashed vehicle by drinking rainwater and eating ketchup packets, indicating severe dehydration as part of his medical condition requiring stabilization and transport.