| EEA | electroencephalic audiometry; end-to-end anastomosis |
|---|---|
| GIA | gastrointestinal anastomosis |
| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |
| REA | radiation emergency area; radioenzymatic assay; renal anastomosis; right ear advantage |
| R-Y | Roux-en-Y [anastomosis] |