[...] Appointment at 11am you'd better have a good book and nowhere else to be before lunch.
Unless you're actually bleeding out, it's unwise to attend hospital of any description without a book.
See also: Eating a full meal before going to the dentist.
For an appointment maybe...
Went to Queen Square for routine blood tests on Tuesday this week, having employed my cleaner as my 'pusher'.
Told her we'd pretty well be out before we were in. Explained she should take numbered ticket from machine.
Went round labyrinth to OPD desk, where they have forms for folk like me in file under the desk.
Was handed my form.
A pulls ticket #74 from machine.
#75 is already on screen!
Straight in, straight out, home.
There & back in <2hours despite dreadful traffic & HS2 road closures.