Eli5: why does an IV drop into that capsule that’s half full of iv and half air?
In: 1726
A few reasons.
It allows any gas that may be suspended in the liquid a chance to bubble out.
It allows the nurses to see that the IV is flowing. If the line is obstructed, the bag won’t drip.
It allows them to monitor the rate of flow independently of what the machine is telling them.
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