Only someone who works as a nurse or who has been in a code knows what it is like. The shifting, crazy changes would overwhelm anyone else. In the interests of letting students, prospective nurses, and those who have never been in a code know what it is like, here is a rundown of most of the experiences I had during a typical code a few years ago. ACLS has changed since then and anything missed was because I was involved in other aspects of the care.