| AHD | acquired hepatocerebral degeneration; acute heart disease; antihyaluronidase; antihypertensive drug;... |
|---|---|
| AHU | acute hemolytic uremic [syndrome]; arginine, hypoxanthine, and uracil |
| AIHA | American Industrial Hygiene Association; autoimmune hemolytic anemia |
| AIHD | acquired immune hemolytic disease |
| BHS | Bachelor of Health Science; beta-hemolytic streptococcus; breathholding spell |