| ACx | anomalous circumflex [coronary artery] |
|---|---|
| ALCA | anomalous left coronary artery |
| ALCAPA | anomalous origin of left coronary artery from pulmonary artery |
| AMB | avian myeloblastosis; amphotericin B; anomalous muscle bundle |
| APVC | anomalous pulmonary venous connection |