The product of a hypoxic myocardium can be hyperirritable myocardial cells.

Some patients become hyperirritable and combative, which can precipitate accidents or even assaultive behaviour.

It is probably the result of the combination of increased activity, an exposed part, and a hyperirritable vasomotor system.

The doctor may prescribe medication to reduce acid secretion or ease a hyperirritable gastrointestinal tract.

Biopsy tests found that trigger points were hyperirritable and electrically active muscle spindles in general muscle tissue.

Compressing this hyperirritable focus is locally painful and may give rise to characteristic referred pain, tenderness, and autonomic phenomenon.

Myofascial trigger points, also known as trigger points, are described as hyperirritable spots in the fascia surrounding skeletal muscle.

Myofascial trigger points are circumscribed (2-5 mm in diameter), self-sustaining, hyperirritable foci of tenderness reported to be located within a taut band of musculoskeletal or its associated fascia.