In hot weather, understanding the differences between heat stroke and heat exhaustion is crucial for our health. These conditions exist on a continuum, with mild symptoms evolving into severe ones if not addressed properly. At the lower end of the spectrum, we find heat rash, which occurs when sweat glands become blocked, triggering rashes even though body temperature remains normal.
As we move along this continuum, heat syncope or heat fainting comes into play, which can also occur while maintaining a normal temperature. This happens due to increased sweating, leading to blood being diverted to the skin for cooling. It’s essential to recognize the body’s mechanisms for heat regulation, such as radiation, convection, conduction, and evaporation. Radiation is what happens when we move out of direct sunlight into a cooler environment, while convection can be aided by fans or cold showers. Conduction involves applying cold packs to key areas like the armpits or groin to reduce body temperature effectively. Finally, evaporation is facilitated by sweating, which is vital in hot conditions.
Always stay hydrated and take care during heat waves to prevent serious conditions like heat stroke, which can be life-threatening.
By Dr Matt & Dr Mike