A patient with severe hypothermia who is in cardiac arrest, you should: body heat loss.
There is a reflex adrenergic vasoconstriction (noradrenalin) of the skin with a decrease in core temperature (hypothermia). Increasing bradycardia causes cardiac output to drop below a core temperature of 34 degrees Celsius. Your heart, brain system, and other organs cannot function correctly when this occurs. Hypothermia can cause heart and respiratory system failure as well as mortality if left untreated.
In cases of extreme hypothermia, the coronary vascular bed's resistance is decreased, allowing flow to continue despite extremely low aortic pressure. The coronary blood flow decreases when the hypothermic heart is moderately artificially accelerated while maintaining stable coronary perfusion pressures.
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