| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| LLSB | left lower scapular border; left lower sternal border |
| LSB | least significant bit; left sternal border; left scapular border; long spike burst |
| LUSB | left upper scapular border; left upper sternal border |
| LSB | Left Sternal Border |