A liter of fluid will raise almost anyone's blood pressure for a while, which is exactly the problem with it. An attending's walkthrough of postoperative hypotension: how to tell a real number from a cuff artifact, what perfusion looks like under your hand, why the bolus is a test rather than a gesture, and what a transient responder is telling you.

A senior told me the ICU is just the floor with more numbers. He was half right. They are the same numbers, but up here somebody is paying for every one of them.