| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
|---|---|
| PEA | pelvic examination under anesthesia; phenylethyl alcohol; phenylethylamine; polysaccharide egg antig... |
| PISCES | percutaneously inserted spinal cord electrical stimulation |
| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |