Many people reside at high altitudes and a lot of us travel to high altitudes for trekking mountaineering recreation and so on. Any medical emergency like breathlessness vomiting dizzinesschest tightness or congestion can occur at high altitude places which can be life-threatening. Dr Pradeep Bhardwaj CEO Six Sigma Healthcare gives details. As per Dr Pradeep Bhardwaj the following emergencies can arise: Acute Mountain Sickness (AMS): It's caused by a lack of oxygen. AMS includes headache and any one of the following symptoms - nausea tiredness sleeplessness or dizziness occurring at altitudes of around 8000 ft or higher. High Altitude Cerebral