| RHU | registered health underwriter; rheumatology |
|---|---|
| RMA | rapid membrane assay; refuses medical advice; Registered Medical Assistant; relative medullary area;... |
| RMT | Registered Music Therapist; relative medullary thickness; retromolar trigone; right mentotransverse ... |
| RPh | Registered Pharmacist |
| RPT | rapid pull-through; refractory period of transmission; Registered Physical Therapist; renal parenchy... |