| BFO | balanced forearm orthosis; ball-bearing forearm orthosis; blood-forming organ |
|---|---|
| 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 |