| PIV | parainfluenza virus; polydactyly-imperforate anus-vertebral anomalies [syndrome]; projective image v... |
|---|---|
| RVA | re-entrant ventricular arrhythmia; right ventricle activation; right vertebral artery |
| RVD | relative vertebral density; right ventricular dysplasia |
| VA | vacuum aspiration; valproic acid; vasodilator agent; ventricular aneurysm; ventricular arrhythmia; v... |
| VACTERL | vertebral abnormalities, anal atresia, cardiac abnormalities, tracheoesophageal fistula and/or esoph... |