| pass | passive |
|---|---|
| pass | ROM passive range of motion |
| PASSOR | Physiatric Association for Spine, Sports, and Occupational Rehabilitation |
| FPRA | first pass radionuclide angiogram |
|---|---|
| HPF | heparin-precipitable fraction; hepatic plasma flow; high-pass filter; high-power field [microscope];... |
| LOP | leave on pass; left occipitoposterior [fetal position] |
| LPFN | low-pass filtered noise |
| LPFS | low-pass filtered signal |