| CHB | chronic hepatitis B; complete heart block; congenital heart block |
|---|---|
| SAB | Scientific Advisory Board; serum albumin; significant asymptomatic bacteriuria; sinoatrial block; So... |
| BBB | 1) Bundle Branch Block 2) Blood Brain Barrier - Blood Brain Barrier |
| BBBB | Bilateral Bundle Branch Block |
| LBBB | Left Bundle Branch Block |