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Hyperalgesia (/ ˌ h aɪ p ər æ l ˈ dʒ iː z i ə / or /-s i ə /; hyper from Greek ὑπέρ (huper) 'over' + -algesia from Greek ἄλγος (algos) 'pain') is an abnormally increased sensitivity to pain, which may be caused by damage to nociceptors or peripheral nerves and can cause hypersensitivity to stimulus.
Increased touch sensitivity is referred to as "tactile hyperesthesia", and increased sound sensitivity is called "auditory hyperesthesia". In the context of pain, hyperaesthesia can refer to an increase in sensitivity where there is both allodynia and hyperalgesia .
People with fibromyalgia are hypersensitive to intense stimuli such as bright lights, loud noises, perfumes, and cold temperatures; people with the condition also have hyper-excitable nociceptors. [29] When people with fibromyalgia are subjected to intense stimuli, they experience sensory overload in the form of pain.
A 2015 longitudinal study based on army medical records of Swedish men showed a correlation between low resting heart rate and violence and criminality, with the authors theorising that lower sensitivity to stimulation resulted in increased likelihood of risk-taking and sensation-seeking behaviour – effectively a low sensitivity counterpart ...
Hypersensitivity (also called hypersensitivity reaction or intolerance) is an abnormal physiological condition in which there is an undesirable and adverse immune response to an antigen. [ 1 ] [ 2 ] It is an abnormality in the immune system that causes immune diseases including allergies and autoimmunity .
Central pain syndrome, also known as central neuropathic pain, [1] is a neurological condition consisting of constant moderate to severe pain due to damage to the central nervous system (CNS) which causes a sensitization of the pain system. [2] [3] The extent of pain and the areas affected are related to the cause of the injury. [4]
A 2019 meta-analysis showed that exercising aerobically can reduce autonomic dysfunction and increase heart rate variability. [173] This happens when patients exercise at least twice a week, for 45–60 minutes at about 60%-80% of the maximum heart rate. [173] Aerobic exercise also decreases anxiety and depression and improves the quality of ...
Tachypnea (high respiratory rate), with greater than 20 breaths per minute; or, an arterial partial pressure of carbon dioxide less than 4.3 kPa (32 mmHg) White blood cell count less than 4000 cells/mm³ (4 x 10 9 cells/L) or greater than 12,000 cells/mm³ (12 x 10 9 cells/L); or the presence of greater than 10% immature neutrophils (band forms).