What would happen if air bubbles from a syringe are not removed?

The main risk with leaving an air bubble in a syringe is inaccurate dosing. With the syringe partly full of air, the amount of liquid won’t be accurate to the markings on the syringe.

Getting air into a vein isn’t a significant hazard unless it’s a huge amount – like a whole drip tube full or someone squeezes a drip bag in, including the large air bubble.

The air will circulate in the veins and reach the lungs where it will lodge and get removed in a few minutes. The lungs will filter out the air so it can’t travel to the brain except where there is also a “hole in the heart”.

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