| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
|---|---|
| HFO | high-frequency oscillator; high-frequency oscillatory [ventilation] |
| HFT | high-frequency transduction; high-frequency transfer |
| HT | Hashimoto thyroiditis; hearing test; hearing threshold; heart; heart transplantation, heart transpla... |
| CMV | continuous mandatory ventilation; controlled mechanical ventilation; conventional mechanical ventila... |