| Acronym | Meaning |
| 4F | Fair, Fat, Female And Forty OR Fat, Forty-ish, Flatulent Female (both Mean Abdominal Pain Patient Who Is Candidate For Gall Bladder Disease) |
| FOS | Found On Street: Unidentified Dead Homeless Person |
| SHAD | Syphilitic, Hypochondriac, Alcoholic Degenerate |
| 4H | (US) Haemophiliac, Hispanic, Homosexual, Heroin Addict |
| WITPOMS | Why Is This Patient On My Service |
| VBT | Very Bad Thing |
| ATL | (Scotland) Aff (off) The Legs; Meaning Unable To Walk |
| ART | Approaching Room Temperature (dead) |
| KAGC | Knife And Gun Club - (US) Local Street Gangs Or Criminal Organizations That Keep ER In Business OR The Emergency Departments That Care For Patients With The Results Of Street Gang Violence |
| TLC | Tube, Lavage & Charcoal (given To Poisoning Victim) |