Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
PI02: partial pressure of inspired oxygen; PA02: partial pressure of alveolar oxygen; Pa02: partial pressure of oxygen in arterial blood 8000 feet represents the maximum allowable altitude in commercial aircraft.
Adapted from Gong H. Exposure to moderate altitude and cardiorespiratory diseases. Cardiologica 1995;40:477
