| HR | heart rate; hemorrhagic retinopathy; high resolution; higher rate; histamine receptor; hormonal resp... |
|---|---|
| HRA | health record analyst; health risk appraisal; heart rate audiometry; hereditary renal adysplasia; hi... |
| IMR | individual medical record; infant mortality rate; infant mortality risk; Institute for Medical Resea... |
| MAR | main admissions room; marasmus; marrow; maximal aggregation ratio; medication administration record;... |
| MR | Maddox rods; magnetic resistance; magnetic resonance; mandibular reflex; mannose-resistant; may repe... |