The altitude of 3,000 meters above sea level is called plateau area. Its characteristics are low air pressure, low concentration of oxygen in the air, easily lead to human hypoxia, causing altitude sickness including acute altitude sickness, high altitude pulmonary edema, high altitude brain edema. Entering a plateau of more than 3,000 meters in a short time can produce headaches, dizziness, palpitations, and shortness of breath. Severe loss of appetite, nausea, vomiting, insomnia, fatigue, bloating and chest tightness. Check for mild cyanosis and facial edema. It is called acute altitude sickness.
The prevention of acute altitude sickness should be based on prevention.
(1) Personnel who need to work in the plateau area should pass a careful physical examination to eliminate diseases that are not suitable for working in the plateau.
(2) From the low sea to the Gaohai dialect area, ladders can be implemented and gradually adapted.
(3) Oxygen and prophylactic drugs should be carried when they must reach areas above 3,000 meters. Such as: diuretics, sedatives, corticosteroids, vitamins and so on.
(4) After reaching the plateau area, physical activity should be gradual and gradually reduce cold stimulation and upper respiratory tract infection.
The altitude of Kunming is about 1,880 meters, although its height is not within the defined plateau, but the oxygen content in the air has decreased with the increase of sea level. Some special groups from the plain to Kunming may suffer altitude sickness due to their poor tolerance to hypoxia. Such as: headache, dizziness, palpitations, chest tightness, shortness of breath and so on. Therefore, tourists from Kunming to Kunming should pay attention:
(1) The schedule cannot be arranged too tight, especially in the first two days.
(2) Visitors suffering from high blood pressure and heart disease should adhere to medication. If there is a special responsibility system, it should be diagnosed in time.
(3) When ascending, the speed should not be too fast, and symptoms such as chest tightness should be immediately rested in situ. Oxygen can be returned when conditions permit, and return to the starting point when conditions permit.
(4) Before going to Lijiang and mid-level tourists to climb, depending on their own health status, determine whether to rent oxygen to prepare for urgent needs.
(5) Sudden, heavier precordial pain, chest tightness, and palpitation during the journey.
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