Decubitus ulcer
Gastric Ulcer
Decompression is the medical term meaning removal of pressure.
Hypertensive is the medical term meaning pertaining to hypertension, or high blood pressure.
Isobaric is the term meaning equal pressure. I don't recall seeing this word used in a medical context, though.
The medical term for a blood pressure cuff is a sphygmomanometer.
Decubitus ulcer, pressure ulcermucous
Hypertension
Ischemia is the medical term meaning decreased blood supply. Prolonged ischemia can lead to infarction.
barotrauma
HTN is the medical abbreviation meaning hypertension, or high blood pressure.
Diastolic pressure.
Ulceration of tissue is the harmful change of skin, mucous membranes and the stomach. It is technically an infection and can cause necrosis (death around the sore) and can be successfully treated and diagnosed. See the link below for a dictionary definition. I did not include photos because of its unpleasantness.