Nightmares & Dreamscapes: From the Stories of Stephen King: Autopsy Room Four

A businessman on vacation, Howard Cottrell, plays a game of golf and is bit by a snake. He is taken to the nearby hospital's autopsy room, but the staff is unaware that he is in a deathlike coma but not dead. Now Howard will have to be a silent but fully conscious witness to his own autopsy unless he can somehow manage to communciate with the doctors.