so true---I don't drink coffee, but made me laugh anyways! It's medical lingo for: Caffeine---By mouth (PO), every 4 hours as necessary (PRN)! This would have been funnier back in nursing school ages ago!
Calcium Antagonists are anti-hypertensive drugs that act by disrupting the movement of calcium through calcium channels to decrease contractility and conductivity of the heart thereby reducing oxygen demand and blood pressure.
Most of the time I don't mind too much:). I try to remember that sometimes I call my nurse friends and ask them questions I already know the answer to just because when it comes to your own kids or yourself you become instantly stupid.