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[Mountain sickness].

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Mountaineering brings many health risks, one of which is mountain sickness. Its mildest form - acute mountain sickness - is mainly characterized by subjective symptoms (headache, loss of appetite, insomnia, weakness, nausea and rarely also vomiting). Advanced and life-threatening forms are

[Acute mountain sickness].

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Acute mountain sickness is a pathologic reaction as a result of bad adaptation to high altitudes (greater than 2.500 meters). The main symptoms are headache, nausea, vomits, and insomnia. When severe it can produce oliguria, retinal hemorrhage, ataxia and sometimes coma. Its etiology is not well

Phenytoin: ineffective against acute mountain sickness.

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Phenytoin sodium was evaluated for its effect on the development and intensity of acute mountain sickness (AMS) because of its ability to reduce intracellular Na+ concentrations in brain and thereby minimize any tendency to increase cellular volume, a hypothetical cause of AMS. Six men aged 19-35

Rocky Mountain spotted fever mimicking acute cholecystitis.

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Rocky Mountain spotted fever can present with predominantly abdominal symptoms including nausea, vomiting, diarrhea, and abdominal pain. Two elderly patients presented with an acute febrile illness and abdominal symptoms. Rash was not present initially. Workup disclosed cholelithiasis in one, and a

Rocky Mountain spotted fever: a seasonal alert.

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Rocky Mountain spotted fever occurs during seasonal tick activity. A history of exposure to tick-containing habitats within the 3- to 12-day incubation period is a key epidemiological factor. The signs of fever, headache, myalgia, nausea, vomiting, and anorexia at onset of infection are difficult to

Frontiers of hypoxia research: acute mountain sickness.

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Traditionally, scientists and clinicians have explored peripheral physiological responses to acute hypoxia to explain the pathophysiological processes that lead to acute mountain sickness (AMS) and high-altitude cerebral edema (HACE). After more than 100 years of investigation, little is yet known

Glucocorticoids as prophylaxis against acute mountain sickness.

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OBJECTIVE Acute mountain sickness (AMS) characterized by presence of symptoms including headache, nausea, excessive fatigue, loss of appetite, irritability and insomnia is a major impediment to work performance in human subjects who are rapidly inducted to high altitude (HA) during the initial phase

High-altitude headache and acute mountain sickness.

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BACKGROUND Headache is the most common complication associated with exposure to high altitude, and can appear as an isolated high-altitude headache (HAH) or in conjunction with acute mountain sickness (AMS). The purpose of this article is to review several aspects related to diagnosis and treatment

[Incidence, prevention and therapy of acute mountain sickness].

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The symptoms and signs of acute mountain sickness are present in about half of the tourists trekking in Nepal to an altitude of 42000 m. The most common symptoms are headache and nausea. Pulmonary rales are found in more than 10% of trekkers, while high altitude pulmonary edema is rare. Retinal

[Rocky Mountain spotted fever in an American tourist].

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In a 28-year-old male American tourist who presented in the hospital with fever, cold shivers, headache, nausea, myalgia and arthralgia, Rocky Mountain spotted fever was suspected, partly because he came from an endemic region (the state of Georgia). The patient was treated with doxycycline, 100 mg

The Environmental Symptoms Questionnaire in acute mountain sickness.

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A self-completed questionnaire (modified Environmental Symptoms Questionnaire) was evaluated in a study of acute mountain sickness (AMS). The questionnaire scores for headache, nausea, and the general feeling of ill health correlated well with AMS scores obtained by clinical interview. Modifications

Cases of acute mountain sickness on Mount Agri.

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Between 1983 and 1990 a total of 74 freestyle mountaineers and 88 mountaineers with skis attempted to climb Mount Agri (Ararat). From the freestyle group two mountaineers were affected by acclimatisation disorder at 3200 m and seven at 4200 m above sea level. Acute mountain sickness (AMS) affected

General introduction to altitude adaptation and mountain sickness.

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The key elements in acclimatization aim at securing the oxygen supply to tissues and organs of the body with an optimal oxygen tension of the arterial blood. In acute exposure, ventilation and heart rate are elevated with a minimum reduction in stroke volume. In addition, plasma volume is reduced

[Every mountain too high when Nausea strikes: gastrointestinal function at high altitude].

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For people unaccustomed to high altitude, exposure to height often leads to Acute Mountain Sickness, with headaches, difficulty breathing and gastrointestinal symptoms. Nausea and loss of appetite may result in less calorie intake and weight loss. At altitudes greater than 4000 m about 50-80% of

Low-dose theophylline reduces symptoms of acute mountain sickness.

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OBJECTIVE Headache, nausea, and sleeplessness at altitude [acute mountain sickness (AMS)] are major health problems for several million mountain recreationists who ascend to high altitudes each year. We aimed to test the efficacy of low-dose, slow-release theophylline for the prevention of AMS in a

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