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Postanesthetic shivering is one of the leading causes of discomfort in patients recovering from general anesthesia. It usually results due to the anesthetic inhibiting the body's thermoregulatory capability, although cutaneous vasodilation (triggered by post-operative pain) may also be a causative factor.
Deaths due to hypothermia have played an important role in many wars. [1] The term is from Greek ῠ̔πο (ypo), meaning "under", and θέρμη (thérmē), meaning "heat". The opposite of hypothermia is hyperthermia, an increased body temperature due to failed thermoregulation. [7] [8]
What happens when you have a stroke? When someone has a stroke, a blood vessel to the brain bursts or is blocked by a clot. The result: Part of the brain cannot get the oxygen and nutrients it ...
Shivering can also be a response to fever, as a person may feel cold. During fever, the hypothalamic set point for temperature is raised. The increased set point causes the body temperature to rise , but also makes the patient feel cold until the new set point is reached. Severe chills with violent shivering are called rigors. Rigors occur ...
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.
A reduction in stroke volume is the decline in the volume of blood the heart is circulating, reducing the heart’s cardiac output. [6] The stroke volume is reduced due to loss of fluids in the body, reducing the volume of blood in the body. [7] This leads the increase in heart rate to compensate for the reduced cardiac output during exercise. [6]
“Now (she'll) probably feel like a whole new person.” Chris Kirmsse learned her coronary artery disease is hereditary, which made some of the deaths in her family make more sense.
Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death. [2]
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