| A2 | Aortic Component of the Second Heart Sound(S2) |
|---|---|
| A2 | aortic second sound |
| A2 P2 | aortic second sound; pulmonary second sound |
| A2-OS | aortic second sound, opening snap |
| A2C | apical two-chamber [view] |
| A2MG | alpha-2-macroglobulin |
| A4C | apical four-chamber [view] |
| A5D5W | alcohol 5%, dextrose 5%, in water |
| A>B | air greater than bone [conduction] |
| AA | 1) Aortic Arch(= Arcus Aortae)(= AA); 대동맥궁 2) Aplastic Anemia - Anemia 3) Amino-Acid 4) Alcoholic Anonymous 5) Amyloid A protein |