| BlT | bleeding time; blood test; blood type, blood typing |
|---|---|
| Blx | bleeding time |
| BOR | basal optic root; before time of operation; bowels open regularly; branchio-oto-renal [syndrome] |
| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
| CASRT | corrected adjusted sinus node recovery time |