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.
Hemoglobin is a protein in the blood that carries oxygen to the tissues. A light sensor is used which is commonly placed on a fingertip. Pulse oximetry is not as accurate as a blood gas and can be influenced by temperature and circulation. The normal oxygen saturation is 95-100%.ven though oxygen is a gas, we have to think of it in terms of being a liquid â if the pressure at the tank remains constant (which it does until the tank has less than 500 psi), the liter flow, 2 LPM (liters per minute), 3 LPM, etc. will remain constant.