| PJB | premature junctional beat |
|---|---|
| PJC | premature junctional contractions |
| PJT | paroxysmal junctional tachycardia |
| AAI | acute alveolar injury; Adolescent Alienation Index; American Association of Immunologists; atrial in... |
| AAT | Aachen Aphasia Test; academic aptitude test; alanine aminotransferase; alkylating agent therapy; alp... |