| DO | Doctor of Osteopathy (one of two fully recognized medical practioners in the US-the other being MD);... |
|---|---|
| FEV1, | FEV1 forced expiratory volume in one second |
| FIV1 | forced inspiratory volume in one second |
| GW | gigaohm [one billion ohms] |
| grav | I pregnancy one, primigravida |