I was a second-year resident on my pediatric emergency medicine month. I had worked enough shifts to become comfortable with the duties, the nurses, and the attendings. I listened to the attending take a radio call and was told they were “bringing in an 8-year-old who is playing possum,” implying that the child was faking an unresponsive state. 

Though comfortable walking into any room by this point, I still experienced some anxiety while waiting for a patient arriving via ambulance. Not kno...