| ACI-TIPI | acute cardiac ischemia-time insensitive predictive instrument |
|---|---|
| ACT | achievement through counseling and treatment; actin; actinomycin; activated clotting time; advanced ... |
| AcT | acceleration time |
| AHT | aggregation half time; antihyaluronidase titer; augmented histamine test; autogenous hamster tumor |
| APTI | airway pressure time index |