The x-ray with the show's title shown in the beginning is turned the wrong way: the heart should be seen on the right hand side. This was an intentional mistake put in by creator Bill Lawrence
to represent the core idea of the show: young doctors in over their heads. Bill Lawrence reminds viewers that this goof was completely intentional in interviews, DVD commentaries, and virtually any other available opportunity. See more
Dr. Cox, did you get my memo stating that residents should wear their lab coats at all times?
Yes I did. At first I just threw it away, but then I thought, that's not grand enough a gesture; so I made a model of you out of straw, put my lab coat on it - with your memo in the pocket - and invited the neighborhood kids to set fire to it and beat it with sticks.