For the next forty hours, Silver, Hunt, and Litch took turns pumping oxygen into Ngawang’s lungs with the ambu bag, squeezing it by hand twenty times each minute. When secretions built up and clogged the tube down the Sherpa’s throat, Hunt would suck the tube clear with her mouth. Finally, on Friday, April 26, the weather improved enough to allow a helicopter evacuation, and Ngawang was flown to a hospital in Kathmandu, but he did not recover.
