OH

There are multiple definitions:

  1. orthostatic hypertension(English)

  2. organized hematoma(English)

    • a relatively rare but benign lesion of the paranasal sinuses. Traditionally, it has been reported to occur following trauma, surgery, and sinus hemorrhagic lesions and in various bleeding predispositions. Also as a late complication after IACRT
    • IACRT
    • ENT
    • https://doi.org…455613221091099
  3. obturator hernia(English)