Eli5: why does an IV drop into that capsule that’s half full of iv and half air?

Question

Eli5: why does an IV drop into that capsule that’s half full of iv and half air?

In: 1726

Answer 1

Before IV pumps nurses used that to control how fast or slow the infusion happens. There’s a calculation based on how many drips per minute and the volume of each drip.

Now that there are IV pumps that do that for you it just tells you if it’s running or not.