NEPAL: Altitude Sickness Info

Normally called Acute Mountain Sickness(AMS),it can affect to any person irrespective or age or level of fitness. Symptoms generally occur after being at the level of 2400m. Acclimatization by ascending to no more than 500 meters per day above 3000m, and the proper amount of rest and rehydration are the best methods for prevention of AMS.


At about 5500m, the oxyzen is 50% less than sea level. The sickness symptom develop due to the body not adopting local climate at high altitude.

Headache, Nausea, vomiting ,Loss of appetite,Insomnia/sleeplessness, Dizziness, light headedness, confusion,Disorientation, drunken gait ,Weakness, fatigue, lassitude, heavy legs, Breathlessness and Breathing irregularity, Reduced urine output etc are the symptoms of acute mountain sickness.

If such symptoms emerged, staying at same altitude may resolve. If not getting better,descend to lower elevation. If symptom persist seriously then you may need to potered to the nearest medicare place or evacuated by helicopter.

Oxygen rate at different altitudes

Altitude

Oxygen rate

Altitude

Oxygen rate

8848m

8000m

7000m

6000m

5500m

5200m

5000m

33%

36%

41%

47%

50%

52%

53%

4500m

4000m

3500m

3000m

2500m

1000m

Sea level

57%

60%

64%

68%

73%

88%

100%


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