Plot: Pittsburgh: A boater hits the steering wheel when he crashes; Firemen respond to a structure fire; A boater is trapped underwater; A resident of the structure fire has lost his medicine in the blaze; An 83-year-old man is found vomiting blood in his bathroom; A man in a nursing home is found unconscious and unresponsive in a diabetic coma; A 33-year-old man is found passed out stoned on the riverbank; A 49-year-old man has taken so many drugs that he is having trouble breathing; A medical secretary collapses at work with back pain; Paremedics respond to a medic alert.