There might be some local legends or tales from a town named Gurney that could be considered horror stories. Maybe there were strange disappearances or haunted houses in Gurney that led to these stories being created. However, without further research, it's just speculation.
Well, 'get down the gurney' in fanfiction could mean a variety of things. If it's a medical - themed fanfic, perhaps it refers to a patient who is being unruly and needs to be calmed down while on the gurney. Or it could be part of an action sequence where a character has to quickly move from a gurney, like if they are being chased by villains in a hospital setting. Another possibility is that it's a miscommunication or a unique phrase within the fanfic's made - up language or culture.
Since I don't know the exact Gurney horror stories, it could be that in Gurney, there was an old asylum that had some terrifying events. Maybe patients there were mistreated and their spirits now haunt the place. But like I said, this is just a made - up scenario as I don't really know the actual stories.
We don't have enough information to know exactly who Karen is. She could be an ordinary person, a student, a teacher, or just someone who likes to read stories.
In a mystery fanfic, a detective is pretending to be an unconscious patient on a gurney to gather evidence in a hospital. When they spot the suspect, they 'get down the gurney' stealthily to follow them without being noticed. This sudden movement from the gurney kicks off the chase and the unraveling of the mystery.
Given only 'dateline karen read story', Karen's identity remains a mystery. She might be a staff member at Dateline who was reading a story for work purposes. Or she could be a person who was interviewed by Dateline and was reading a story during the interview, or she could be an ordinary person whose story - reading experience is being highlighted in relation to Dateline.
Without more context, it's hard to say exactly who they are. They could be a family, with Karen Ann being an individual within the Quinlan family. Maybe they are people who have had some interesting or important experiences that are worth sharing in this story.
In 'Karen Eiffel Stranger than Fiction', Karen Eiffel is a key character. She is a writer, and her actions and the story she is writing are central to the plot. Her role creates a unique situation where the fictional world she is creating intersects with the real life of the other main character in a very strange and unexpected way.