Pay attention to Gansu Marathon. Why are there hypothermia deaths in summer? How to prevent temperature loss

Marathon has always been a sport that tests people's physical strength. Although as a doctor, I have never finished the marathon, and I have never actually participated in it, because it is not my poor physical strength, but my lung capacity really can't reach such a long running exercise.

The marathon in Gansu province brought the word "temperature loss" to our eyes. A fresh life passed away like this, and the occurrence of the event deserves our deep thought.

In fact, when it comes to hypothermia, many people don't know what hypothermia is. They don't know that hypothermia can lead to death.

What is temperature loss?

Loss of temperature means that when the heat loss of the human body is greater than the heat supply, the temperature in the core area of the human body will drop to 35.0°C, and it will cause symptoms such as trembling, confusion, cardiopulmonary failure, and even the risk of death.

Temperature loss can be divided into mild temperature loss, moderate temperature loss and severe temperature loss.

1, slight temperature loss:

The patient's body temperature drops 1~2 compared with the normal body temperature, and at the same time, it will produce symptoms such as trembling, numbness of hands, fatigue, abdominal pain, cold limbs, pale face, uncontrolled muscles, emotional changes or loss of reason, and weakened pulse.

2. Moderate temperature loss:

The patient's body temperature dropped by 2 ~ 4 degrees compared with the normal body temperature, and the shivering symptoms gradually disappeared, and the movement was slow and difficult, accompanied by stumbling, disorientation and mental disorder.

3. Severe temperature loss:

The patient's temperature dropped below 32 degrees, and he lost consciousness and entered a state similar to hibernation. The specific manifestations are that the muscles are no longer spasmodic, the pulse and respiratory rate are slowed down, the blood circulation on the body surface is greatly reduced, and consciousness is lost. At the same time, due to severe hypothermia, abnormal undressing will occur. At this point, the patient begins to undress, which will increase the risk of cardiac arrest.

Why is there a phenomenon of temperature loss and death in summer?

The human body transfers heat with the outside world at any time, among which temperature, humidity and wind force are the most common factors leading to temperature loss. Whether in summer or in any season, there will be a temperature difference in the morning and evening. Marathon is a long-term exercise, which will of course cause people to sweat more, so the humidity will increase accordingly. If the wind increases, it is easy to lose heat quickly, leading to a drop in temperature, not to mention severe extreme weather.

How to prevent temperature loss?

1, choose appropriate underwear.

In addition to rain and warmth when going out, we should also pay attention to the risk of temperature loss caused by a lot of sweating. Therefore, you should choose fast-drying and sweaty underwear, and be careful not to choose cotton underwear, because cotton absorbs sweat and is not easy to export, resulting in temperature loss.

2. Pay attention to increasing or decreasing clothes

When exercising in cold weather or extremely cold areas, be sure to carry warm clothes with you, and then put on a T-shirt with light and quick-drying fabric or a coat with good air permeability to avoid catching cold and losing temperature.

3, pay attention to cold and warm.

When traveling in cold weather, you should take corresponding windproof measures and don't be completely exposed to the cold wind. Warm hats, gloves, scarves, windbreakers, thick socks, wind masks, etc. They are all necessary items for traveling in windy and cold weather.

4. Replenish the energy needed by the body in time.

Don't let your body overdraw, mainly to prevent dehydration and avoid excessive sweating and fatigue. Prepare food and hot drinks to replenish body heat at any time.

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