What is the cause of heat stroke in winter

Heat stroke is an acute disease characterized by sweat gland dysfunction and excessive electrolyte loss in high temperature or high humidity and windless environment. Heat stroke can also occur in winter when indoor air conditioning temperature is too high, stuffy, air circulation is not circulated, or when strong physical labor is involved, heat production is excessive and heat dissipation ability is reduced. Winter heatstroke performance has dizziness, headache, nausea, vomiting, mental concentration, hands and feet are not coordinated, serious conditions will show poor mental state or even lethargy, may also show shock, severe heatstroke. Will show coma, central respiratory depression, resulting in life-threatening.