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Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
POTS, or postural orthostatic tachycardia syndrome is characterized by an abnormal spike in heart rate when you stand or sit up. It has to do with dysfunction of the autonomic nervous system ...
Orthostatic intolerance (OI) is the development of symptoms when standing upright that are relieved when reclining. [1] There are many types of orthostatic intolerance. OI can be a subcategory of dysautonomia, a disorder of the autonomic nervous system [2] occurring when an individual stands up. [3]
“You're asking the heart to do a lot more work than it usually has to do,” Jay said. For someone with a heart condition “it's like running for a bus with dodgy (hamstring). Something's going ...
Simplified control circuit of human thermoregulation. [8]The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, [9] and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus.
Forecasters are warning that there is a more dangerous aspect to heat waves these days: overnight temperatures are not cooling down enough Why nighttime heat can be so dangerous – and why it’s ...
Treatment is directed at making the affected person feel more comfortable, and, if possible, resolving the underlying cause of the heat intolerance. Symptoms can be reduced by staying in a cool environment. Drinking more fluids, especially if the person is sweating excessively, may help.
Katie Ledecky, the most dominant female swimmer of her generation, has been making waves at the Paris Olympics. But behind her Olympic gold medals and world records lies a lesser-known story of ...