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An early warning system (EWS), sometimes called a between-the-flags or track-and-trigger chart, is a clinical tool used in healthcare to anticipate patient deterioration by measuring the cumulative variation in observations, most often being patient vital signs and level of consciousness. [1]
Activation of trigger points may be caused by a number of factors, including acute or chronic muscle overload, activation by other trigger points (key/satellite, primary/secondary), disease, psychological distress (via systemic inflammation), homeostatic imbalances, direct trauma to the region, collision trauma (such as a car crash which stresses many muscles and causes instant trigger points ...
Ischemic compression is commonly applied to trigger points, in what is known as trigger point therapy, where enough sustained pressure is applied to a trigger point with a tolerable amount of pain, and as discomfort is reduced, additional pressure is gradually given.
In neuroscience and neurology, a trigger zone is an area in the body, or of a cell, in which a specific type of stimulation triggers a specific type of response.. The term was first used in this context around 1914 by Hugh T. Patrick, who was writing about trigeminal neuralgia, a condition in which pain fibers in the trigeminal nerve become hypersensitive. [1]
English: NEWS2 chart, a widely used Early Warning Score chart published by the Royal College of Physicians. Reproduced from: Royal College of Physicians. National Early Warning Score (NEWS) 2: Standardising the assessment of acute-illness severity in the NHS. Updated report of a working party. London: RCP, 2017. URL of relevant page.
Myofascial Pain and Dysfunction: The Trigger Point Manual; Office Hours: Day and Night, The Autobiography of Janet Travell, M.D. Dr. Janet G. Travell, M.D.: "The Mother of MYOFASCIAL - TRIGGER POINT Knowledge" Travell, Janet G. (2003). "A Daughter's Recollection by Virginia P. Wilson". Texas Heart Institute Journal. 30 (1): 8– 12.
Symptoms of a myofascial trigger point include: focal point tenderness, reproduction of pain upon trigger point palpation, hardening of the muscle upon trigger point palpation, pseudo-weakness of the involved muscle, referred pain, and limited range of motion following approximately 5 seconds of sustained trigger point pressure. [2]