42 y.o. male who presents with right flank pain, nausea and vomiting. The patient has been hiking and camping for the last 2 days. He was in his normal state of health until 2 days ago when he developed sudden onset of right flank pain. Since then he has been unable to hold any fluids down. His vitals are: BP 120/62, HR 110, RR 18, T 37.0, Pulse

Ox – 98%.
Your resident performs a renal ultrasound…they show the images to you and these are the best they can obtain. They question that there may be some hydro-but they aren't sure. Since they feel it at best is mild, then they doubt he could have a significant stone...