| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| OW | once weekly; open wedge; outer wall; oval window |
| RW | radiological warfare; ragweed; respiratory work; Romano-Ward [syndrome]; round window |
| SPW | subxiphoid pericardial window |
| W3 | World Wide Web |