hypothermia - definição. O que é hypothermia. Significado, conceito
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O que (quem) é hypothermia - definição

CONDITION IN WHICH CORE TEMPERATURE DROPS BELOW THE REQUIRED TEMPERATURE FOR NORMAL METABOLISM AND BODY FUNCTIONS
Hypothermic; Low body temperature; Terminal burrowing; Terminal Burrowing Behavior; Paradoxical undressing; Terminal burrowing behavior; Cold weather injuries; Subnormal body temperature; Freezing to death; Accidental hypothermia; Cold incapacitation; Exposure (environmental hazard); Cold stress; Malignant hypothermia; Causes of hypothermia; Freeze to death; Cold Injuries; Cold-shock response; Hide-and-die syndrome; Death by hypothermia; You aren't dead 'til you're warm and dead
  • ''[[Snow-storm: Hannibal and His Army Crossing the Alps]]'', [[J. M. W. Turner]]

hypothermia         
If someone has hypothermia, their body temperature has become dangerously low as a result of being in severe cold for a long time. (MEDICAL)
N-UNCOUNT
hypothermia         
[?h??p?(?)'??:m??]
¦ noun Medicine the condition of having an abnormally (typically dangerously) low body temperature.
Origin
C19: from hypo- + Gk therme 'heat'.
Deep hypothermic circulatory arrest         
CHILLING BODY TEMPERATURE, TO PROVIDE A BLOODLESS SURGICAL FIELD FOR COMPLEX SURGERIES.
Standstill operation; Standstill surgery; Deep hypothermia induced circulatory arrest
Deep hypothermic circulatory arrest (DHCA) is a surgical technique that induces deep medical hypothermia. It involves cooling the body to temperatures between 20 °C (68 °F) to 25 °C (77 °F), and stopping blood circulation and brain function for up to one hour.

Wikipédia

Hypothermia

Hypothermia is defined as a body core temperature below 35.0 °C (95.0 °F) in humans. Symptoms depend on the temperature. In mild hypothermia, there is shivering and mental confusion. In moderate hypothermia, shivering stops and confusion increases. In severe hypothermia, there may be hallucinations and paradoxical undressing, in which a person removes their clothing, as well as an increased risk of the heart stopping.

Hypothermia has two main types of causes. It classically occurs from exposure to cold weather and cold water immersion. It may also occur from any condition that decreases heat production or increases heat loss. Commonly, this includes alcohol intoxication but may also include low blood sugar, anorexia and advanced age. Body temperature is usually maintained near a constant level of 36.5–37.5 °C (97.7–99.5 °F) through thermoregulation. Efforts to increase body temperature involve shivering, increased voluntary activity, and putting on warmer clothing. Hypothermia may be diagnosed based on either a person's symptoms in the presence of risk factors or by measuring a person's core temperature.

The treatment of mild hypothermia involves warm drinks, warm clothing, and voluntary physical activity. In those with moderate hypothermia, heating blankets and warmed intravenous fluids are recommended. People with moderate or severe hypothermia should be moved gently. In severe hypothermia, extracorporeal membrane oxygenation (ECMO) or cardiopulmonary bypass may be useful. In those without a pulse, cardiopulmonary resuscitation (CPR) is indicated along with the above measures. Rewarming is typically continued until a person's temperature is greater than 32 °C (90 °F). If there is no improvement at this point or the blood potassium level is greater than 12 mmol/liter at any time, resuscitation may be discontinued.

Hypothermia is the cause of at least 1,500 deaths a year in the United States. It is more common in older people and males. One of the lowest documented body temperatures from which someone with accidental hypothermia has survived is 12.7 °C (54.9 °F) in a 2-year-old boy from Poland named Adam. Survival after more than six hours of CPR has been described. In individuals for whom ECMO or bypass is used, survival is around 50%. Deaths due to hypothermia have played an important role in many wars.

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.

Exemplos do corpo de texto para hypothermia
1. He showed signs of hypothermia and could not speak clearly.
2. They learn CPR, basic firefighting and hypothermia treatment.
3. He was treated for hypothermia and abrasions at a hospital.
4. Some 43,500 of them died of starvation, hypothermia and disease.
5. She was found on rocks suffering from hypothermia.