| BH | base hospital; benzalkonium and heparin; bill of health; birth history; Bishop-Harman [instruments];... |
|---|---|
| bun | br bundle branch |
| CLBBB | complete left bundle branch block |
| CRBBB | complete right bundle branch block |
| DNB | dinitrobenzene; Diplomate of the National Board [of Medical Examiners]; dorsal nonadrenergic bundle |