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High Altitude SicknessAka: Acute Mountain Sickness
- Barometric Pressure
- Sea level: 760 mmHg
- Ski altitude (9-10,000 feet): 560 mmHg
- Kala Pattar (18,187 feet) : 375 mmHg
- Mount Everest (29,035 feet): 249 mmHg
- High Altitude Effects
- High altitude Retinopathy
- Retinal hemorrhage at high altitude
- Resolves spontaneously in 1-2 weeks at sea level
- Sleep at high altitude
- Fragmented Sleep Stages
- Frequent awakenings
- Sleep Apnea
- Periodic breathing occurs normally above 3000 meters
- Physical wasting above 18,000 feet
- Weight loss
- Increased lethargy
- Muscle Weakness
- Polycythemia
- Acclimatization above 18,000 feet offers no benefit
- High altitude Pharyngitis or Bronchitis
- Cough results from respiratory irritation at altitude
- Reduced with throat lozenges
- Peripheral edema
- Thrombosis (higher Incidence at altitude)
- Immune suppression
- Infections common and difficult to treat at altitude
- T Lymphocyte depression
- Descend for refractory infectious symptoms and signs
- High altitude Retinopathy
- Symptoms
- Differential Diagnosis
- Viral illness
- Hangover
- Exhaustion
- Dehydration
- Hypothermia
- Medication: Sedative or hypnotic
- Carbon Monoxide Poisoning
- Management
- Descent
- Oxygen
- Gamow Bag
- Complications
- Prevention
- Medication Prophylaxis
- General Pointers
- Recognize the symptoms of Acute mountain sickness
- Never ascend to sleep higher if you have symptoms
- Descend if symptoms do not resolve or worsen
- Never leave a person with altitude sickness alone
- Maintain hydration
- Sleep <3000 feet higher than the night before
- Spend an additional day if ascent over 2000 feet
- Avoid overexertion
- Avoid Alcohol and sedatives
Acute mountain sickness (C0238284) | |
|---|---|
| Concepts | Disease or Syndrome (T047) |
| English | ACOSTA SYNDROME, Acosta's disease, Acute mountain sickness, Soroche |
| Spanish | apunamiento, enfermedad aguda de la montana, enfermedad de Acosta, mal de las montanas, soroche |
| Parent Concepts | Altitude Sickness (C0002351), Acute respiratory disease (C0264219), Acute disease of cardiovascular system (C1290379), Acute metabolic disorder (C1290840) |
| Sources | DXP, SCTSPA, SNOMEDCT Derived from the NIH UMLS (Unified Medical Language System) |
