Freebase. Tracheal intubation. Tracheal intubation, usually simply referred to as intubation, is the placement of a flexible plastic tube into the trachea to maintain an open airway or to serve as a conduit through which to administer certain drugs.
Flying time from Portland, OR to Houston, TX. The total flight duration from Portland, OR to Houston, TX is 3 hours, 40 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like PDX to IAH.
1 Los Angeles from Portland flights. 2  Flights from Portland to Phoenix. 3  Cheap flights to Chicago from Portland. 4  Cheap flights from Portland to Las Vegas. 5  Flights to Denver from Portland. 6  San Francisco from Portland flights. 7  Flights from Portland to Dallas.  Cheap flights to San Diego from Portland.