6 Luglio 2023

Heatstroke on a bicycle, here’s how to recognise it.

Many people approach cycling in warmer weather thinking that they can somehow avoid the winter cold and related illnesses. Nothing could be more wrong.

Even summer weather can hide pitfalls that should not be underestimated. One of the most frequent ailments is the classic heat stroke. But let’s see how to detect and avoid it.

What is heat stroke?

Heat stroke is a serious and potentially fatal condition that can occur due to prolonged and intense exposure to heat. 

What are the signs to detect heat stroke:

  • Elevated body temperature: Heat stroke is manifested by a significant rise in body temperature, which can exceed 40°C . High fever is one of the hallmark symptoms of this condition.
  • Alterations of the central nervous system: Heat stroke can cause mental confusion, delirium, dizziness, irritability, drowsiness, intense headache and, in severe cases, convulsions.
  • Red, hot skin: The skin may become red, hot and dry to the touch. Sweating may be reduced or absent.
  • Rapid pulse and rapid breathing: The pulse becomes rapid and weak, while breathing becomes rapid and shallow.
  • Stomach ache and nausea: Gastrointestinal symptoms such as stomach ache, nausea, vomiting and diarrhoea may occur during heat stroke.
  • Extreme fatigue and weakness: A feeling of intense tiredness, fatigue and general weakness may be signs of impending heat stroke.
  • Muscle cramps: Muscle cramps, particularly in the legs and abdomen, can be early symptoms of heat stroke.
  • Cessation of sweating: In some cases of severe heat stroke, sweating may cease altogether, as the body is unable to dissipate heat effectively.

If you suspect you are suffering from heat stroke, it is important to act immediately. Stop immediately and call your local emergency number and find a cool, shady place. Get some cool water and wet yourself while waiting for help to arrive.

Absolutely avoid going out during the hottest hours of the day, so prefer the early morning. Do not copy professional cyclists who, in addition to having a very high level of training, are used to enduring high temperatures. If you have just started cycling, avoid going out on hot days altogether. First accustom your body gradually to physical exertion.

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