| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| SENSOR | Sentinel Event Notification System for Occupational Risks |
| SISS | Sentinel Injury Surveillance System [for Gunshot and Stab Wounds] small inducible secreted substance... |
| AV node | Atrio-Ventricular node; 방실 결절 0.1 sec Delay |
| SA node | Sino-Atrial node; 동방결절(洞房結節) = SAN RA의 posterior wall에 위치... |