Heat stroke

Video Description

Cool ASAP using water and fans. Splash all over with water or immerse in water. Heatstroke (acute hyperthermia) https://www.mayoclinic.org/diseases-conditions/heat-stroke/symptoms-causes/syc-20353581 Prolonged exposure to hot (often humid) environments Physical exercise in hot environments 104 °F 40 °C 105.1 °F 40.6 °C A medical emergency Disorientation Can quickly damage brain, heart, kidneys, muscles Damage worsens if treatment delayed Symptoms High body temperature Altered mental state or behaviour Skin, often hot, red and dry at first Nausea and vomiting Tachycardia Tachypnoea Headache A medical emergency Get help and get them cooled Factors Excess heat production Exercise Excessive environmental heat Sun Humidity Impaired heat loss Clothes Dehydration Alcohol Risk factors Young children Over 65s Lack of time to acclimatise Lack of AC / fans Meds, beta blockers, diuretics, antidepressants, antipsychotics, amphetamines, cocaine Chronic illnesses, heart or lung disease, obese, unfit Prevent Good hydration Loose fitting, lightweight clothes Prevent sunburn Delay workouts Rearrange work schedules Parked cars Take time to acclimatize Science Hypothalamus set point is normal, but is overwhelmed Failure of thermal homeostatic mechanisms Unlike fever where set point is deliberately increased by cytokines Enzymic function Pro inflammatory cytokine release Inflammation Damage to vascular endothelium Intravascular coagulation of blood Thermal coagulation Disruption of intestinal barriers Heat exhaustion