| PAFIB | paroxysmal atrial fibrillation |
|---|---|
| SPAF | spontaneous paroxysmal atrial fibrillation |
| MAT | Multifocal Atrial 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 |