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High altitude and ¨Acute mountain sickness¨

· Acute mountain sickness (AMS)
It is neither a curse nor a physical defect. It is the consequence of an incomplete acWeathertization to high altitude.
One person out of two is affected by AMS, and one out of one hundred may present serious complications (pulmonary and cerebral edema).
Symptoms appear within 4 to 8 hours after reaching high altitudes, general higher than 3.500 m.

Clinical Symptomathology
It is characterized by a series of disorders associating:
Headache, Sleep disturbance, Loss of appetite, Nausea.
Often, dyspnea (shortness of breath), dry cough and sometimes dizziness are also associated.
This bad acWeathertization can be manifested in the form of localized edema in eyes, hands and ankles. Somo affected people present reduced urine output (olyguria).

Mountain sickness
Clinical score stablished according to observed signs.

HEADACHE
1 point
INSOMNIA
1 point
NAUSEA OR LOSS OF APPETITE
1 point
DIZZINESS
1 point
CEPHALAGIA RESISTENT TO ASPIRIN
2 point
VOMITS
2 point
DYSPNEA AT REST
3 point
ANORMAL FATIGUE
3 point
OLIGURIA
3 point

SCORE DEFINITION
TRATMENT
1 to 3
Mild
Aspirin or Paracetamol
4 to 6
Modetate
Aspirin, rest, stop the ascention
More than 6
Severe
Descent

Acute mountain sickness must neither be ignored nor concealed. Often, due to ignorance, the first symptoms are more likely to be caused by uncomfortable shelter, the changes in feeling habits or fatigue. Many people attribute the presence of AMS to signs of weakness and conceal its symptoms. Even the best mountaineer can suffer mountain sickness.

PULMONARY EDEMA: is characterized by shortness of breath and a gurgling sound when breathing. The lips and frequently the ears become purple or bluish (cyanosis), there maybe frothy and sometimes pink (blood tinger) sputum. This symptoms is often manifested at night, after a hard day.

BRAIN EDEMA: is characterized by fatigue or extreme weakness and abrupt and shooting vomits. Headache become unbearable not soothing with aspirin. Other symptoms is often drunken like waking, dizziness and behavioral alterations.

These symptoms can rapidly lead to comma. Sometimes there is no headache but great fatigue or balance disturbances. In both cases, there is extreme urgency, and it is imperative to descend or put the victim in a hyperbaric chamber before descending.

This may be useful to improve the siskness, and sometimes it can even cure it. In the case of pulmonary edema, taking a calcium channel blicker could be helpful. In both cases, it is also advisable to inject coricoids as soon as possible.