| HB | health board; heart block; heel to buttock; held back; hemoglobin; hepatitis B; His bundle; hold bre... |
|---|---|
| BIDLB | block in posteroinferior division of left branch |
| BSDLB | block in anterosuperior division of left branch |
| CHB | chronic hepatitis B; complete heart block; congenital heart block |
| SAB | Scientific Advisory Board; serum albumin; significant asymptomatic bacteriuria; sinoatrial block; So... |