Medical problems of a high altitude Himalayan expedition.

Introduction Exercise Himalayan Venture VI was the Army Mountaineering Association Expedition to Mount Api (23,390 ft), West Nepal in the Spring of 1980_ The expedition consisted of a party of 12 British servicemen accompanied by seven Nepalis travelling from Kathmandu by road through Nepal and India for one week to a roadhead at Dandeldhura, and then on foot through Far West Nepal for two weeks to a Base Camp at 13,500 ft (Fig 1).