| CAVB | complete atrioventricular block |
|---|---|
| TAVB | total atrioventricular block |
| CHB | chronic hepatitis B; complete heart block; congenital heart block |
| SAB | Scientific Advisory Board; serum albumin; significant asymptomatic bacteriuria; sinoatrial block; So... |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |