| AT III | angiotensin III; antithrombin III |
|---|---|
| PACE | Pacing and Clinical Electrophysiology; paired basic amino acid cleaving enzyme; personalized aerobic... |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| RAA | renin-angiotensin-aldosterone [system] |
| RAAS | renin-angiotensin-aldosterone system |