| MCH | Maternal and Child Health; mean corpuscular hemoglobin; muscle contraction headache |
|---|---|
| MCI | mean cardiac index; methicillin; mucociliary insufficiency; muscle contraction interference |
| MEB | Medical Evaluation Board; muscle-eye-brain [disease] |
| MFCV | muscle fiber conduction velocity |
| MFT | multifocal atrial tachycardia; muscle function test |