| UC | ulcerative colitis; ultracentrifugal; umbilical cord; unchanged; unclassifiable; unconscious; undiff... |
|---|---|
| UVC | umbilical venous catheter |
| VVDL | venovenous double-lumen [catheter] |
| AV | 1) Azygo(u)s Vein(AV)(= Vena Azygo(u)s); 기정맥(奇靜脈) 1) Atrio-Ventricular |
| AV node | Atrio-Ventricular node; 방실 결절 0.1 sec Delay |