| AAT | Aachen Aphasia Test; academic aptitude test; alanine aminotransferase; alkylating agent therapy; alp... |
|---|---|
| ACMT | artificial circus movement tachycardia |
| AT | abdominal thrusts; achievement test; Achilles tendon; Achard-Thiers [syndrome]; adaptive thermogenes... |
| ATB | at the time of the bomb [A-bomb in Japan]; atrial tachycardia with block |
| AVNRT | atrioventricular node reentry tachycardia |