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Stress-related disorders constitute a category of mental disorders. They are maladaptive, biological and psychological responses to short- or long-term exposures to physical or emotional stressors. The National Institute of Environmental Health Sciences categorizes Obsessive-Compulsive Disorder (OCD) and Post-Traumatic Stress Disorder (PTSD) as ...
Chronic stress. Chronic stress is the physiological or psychological response induced by a long-term internal or external stressor. [1] The stressor, either physically present or recollected, will produce the same effect and trigger a chronic stress response. [1] There is a wide range of chronic stressors, but most entail relatively prolonged ...
003878. [ edit on Wikidata] A cardiac stress test is a cardiological examination that evaluates the cardiovascular system's response to external stress within a controlled clinical setting. This stress response can be induced through physical exercise (usually a treadmill) or intravenous pharmacological stimulation of heart rate. [1]
Eustress is the positive cognitive response to stress that is healthy, or gives one a feeling of fulfilment or other positive feelings. Hans Selye created the term as a subgroup of stress [3] to differentiate the wide variety of stressors and manifestations of stress. Eustress is not defined by the stress or type, but rather how one perceives ...
Anxiety disorders are a group of mental disorders characterized by exaggerated feelings of anxiety and fear responses. [8] Anxiety is a worry about future events and fear is a reaction to current events. These feelings may cause physical symptoms, such as a fast heart rate and shakiness.
Therefore, stress hormones have a dual role in fighting diseases and infections, depending on the type, duration, and intensity of stress, as well as the nature of the pathogen. A moderate and short-term stress response can benefit the immune system, while a severe and long-term stress response can be detrimental to the immune system.
Measurement of surgical stress is used in anaesthesia, physiology and surgery. Analysis of the surgical stress response can be used for evaluation of surgical techniques and comparisons of different anaesthetic protocols. Moreover, they can be performed both in the intraoperative or postoperative period.
Fight-or-flight response. A dog and a cat expressing the fight (top) and flight (bottom) response simultaneously. The fight-or-flight or the fight-flight-freeze-or-fawn [1] (also called hyperarousal or the acute stress response) is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. [2]