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Hypothermia is defined as a body core temperature below 35.0 °C (95.0 °F) in humans. [2] Symptoms depend on the temperature. In mild hypothermia, there is shivering and mental confusion.
Hypothermia: An accidental reduction of core body temperature to less than 35 degrees Celsius, most commonly due to cold environment exposure. [9] Often presents as uncontrollable shivering that may progress to impaired consciousness and abnormal vital signs. [9] Severe cases can cause cardiac arrest. [9]
Other circumstances also affect the body's temperature. The core body temperature of an individual tends to have the lowest value in the second half of the sleep cycle; the lowest point, called the nadir, is one of the primary markers for circadian rhythms. The body temperature also changes when a person is hungry, sleepy, sick, or cold.
Sufficient stress from extreme external temperature may cause injury or death if it exceeds the ability of the body to thermoregulate. Hypothermia can set in when the core temperature drops to 35 °C (95 °F). [2] Hyperthermia can set in when the core body temperature rises above 37.5–38.3 °C (99.5–100.9 °F).
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.
Hypoxic ischemic encephalopathy has many causes and is defined essentially as the reduction in the supply of blood or oxygen to a baby's brain before, during, or even after birth. It is a major cause of death and disability, occurring in approximately 2–3 per 1000 births and causing around 20% of all cases of cerebral palsy. A 2013 Cochrane ...
It has a high success rate and low risk of complications. Though effective, plication is usually recommended for curves less than 60 degrees because it can cause shortening of the privates. Implant.
Pediatric patients usually present with acute onset of hemolytic anemia with fatigue, exercise intolerance, pallor, jaundice, and hemoglobinuria, preceded by exposure to cold temperature and preceding viral-like illness. This may be complicated by acute renal failure due to nephrotoxic free hemoglobin and tubular obstruction. [8]