The spoken language in the series is Swedish and the plot takes place in Sweden, but the majority of the named characters have Anglo-Saxon-sounding names.
The plot is inspired by real experiences.
All patient cases have a made-up disease with a made-up diagnosis and treatment with symbolic hospital equipment.
Oskar Lundblad, Jonathan Sand, Johan Berg, and Astrid Johnsson appear by name and footage in the opening credits of episodes 1-4, even though their characters have not yet been established in the series' plot.