POCUS should always - ALWAYS - be used in conjunction with your clinical assessment to help answer focused questions and guide diagnostic and treatment decisions. Here are a couple common protocols that address specific clinical presentation.
RUSH exam for hypotension
A quick primer on the RUSH exam from 5minSono here
eFAST
The extended Focused Abdominal Sonography in Trauma (E-FAST) exam, from 5minSono, here
