air bubbles in the catheter would be taken as calculus
We draw air into, and expel out of, the lungs.
To expel air noisily refers to the action of exhaling forcefully and audibly, often resulting in a loud sound. Examples include sighing, huffing, or wheezing.
To expel air from the lungs with violent effort.
Vent
Expel enough air to make a sound-no
It means to cough.
To expel air from the lungs with violent effort.
no
It is important to expel all air from the cholangiogram system prior to an intraoperative cholangiogram because of air bubbles. They appear as dark round shadows which can be interpreted as stones on the cholangiogram.
You do not expel any gas when inhaling. Inhaling is the act of taking air in, if you mean when exhaling (breathing out) then carbon dioxide (aka CO2)
To expel an air bubble from a syringe, first hold the syringe with the needle pointing up. Then gently tap the side of the syringe to move the air bubble towards the needle. Finally, push the plunger slowly to expel the air bubble out of the syringe.