QNH is the local altimeter setting, causing the altimeter to read field elevation on the ground; QNE (pressure altitude) is used above transition altitude (18,000 feet MSL in the US/Canada), set at 29 ...

This is a preview. Log in through your library . Abstract Decompression sickness is an illness which occurs in divers and caisson workers on return to normal atmospheric pressure after working at very ...

Few studies have been conducted on blood pressure monitors and their use at high altitude. This study is the first to evaluate the accuracy of an automatic blood pressure monitor in a high-altitude ...