Gary Name Meaning & Origin. Gary. Origin of the name Gary: From the Old English Garwig (spear of battle), a compound name composed from the elements gar (a spear) and wig (battle). Alternatively, Gary developed as a pet form of any of the various names beginning with the Germanic element gar (spear). Var: Garry.
So if you require 3 liters per minute of oxygen, that amount of oxygen is delivered to you throughout one minute whether you take 20 breaths each minute or 10. Continuous flow oxygen concentrators deliver a set amount of oxygen per minute when set to the corresponding setting.
To determine oxygen consumption in L/min, bodyweight must first be converted to kilograms (kg). To do this, divide bodyweight in pounds by 2.2. Suppose that the 35-year-old male in the earlier example weighed 198 pounds. His bodyweight would be equal to 90 kilograms (198 lb divided by 2.2 lb/kg = 90 kg).