| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
|---|---|
| PERRLA | pupils equal, round, and reactive to light and accommodation |
| PMA | index of prevalence and severity of gingivitis, where P = papillary gingiva, M = marginal gingiva, a... |
| P&R | pelvic and rectal [examination]; pulse and respiration |
| PRECEDE | predisposing, reinforcing, and enabling causes in educational diagnosis and evaluation [model] |