| VFD | visual feedback display |
|---|---|
| VFI | visual field intact |
| VFID | virtual focus-isocenter-distance |
| VFL | ventricular flutter |
| VFP | ventricular filling pressure; ventricular fluid pressure |
| VFR | voiding flow rate |
| VFS | vascular fragility syndrome |
| VFSS | Video Fluoroscopic Swallowing Study |
| VFT | venous filling time; ventricular fibrillation threshold |