How much should you draw for arterial line blood sampling? Discard volume for A-line sampling that anesthesiologists should know

IntroductionIn the ICU and operating room, we perform blood sampling from arterial lines almost every day.On the other hand, how much blood should be discarded before sampling is an area where there ...

Sampling Methods: I thought it was just about 'choosing at random'

When I first encountered this term, I ended it with, "It's just choosing at random, I know that." I remember feeling a bit ...