| PAC | Premature Atrial Contraction |
|---|---|
| PAC | papular acrodermatitis of childhood; parent-adult-child; pericarditis-arthropathy-camptodactyly [syn... |
| pac | pachytene |
| MHP | hemiplegic migraine; maternal health program; maternal health program; medical center health plan; 1... |
| CHC | chromosome condensation; community health center; community health computing; community health counc... |