# 6PFP - 6-pack and a fishing pole, as in "this patient doesn't need chemo, he needs 6PFP." - Usually referring to an end-stage patient who should go die somewhere else.
# 404 moment - The point in a doctor's ward round when medical records cannot be located. Comes from HTTP 404 error "Not Found".
# AGMI - Ain't Gonna Make It
# Agnostication - A substitute for prognostication. Term used to describe the usually vain attempt to answer the question: "How long have I got, doc?" 
# ART - Assuming Room Temperature (dying)
# ATS - Acute Thespian Syndrome (the patient is faking illness)
# Baby Catcher - an obstetrician 
And there are dozens more. Thanks to Andrew Sullivan's site
for the heads up.
Read the rest at: http://en.wikipedia.org/wiki/Medical_slang#Annual_round-up_of_medical_slang