Emphysematous Pyelonephritis on POCUS If hydronephrosis on POCUS is anechoic, then what is in the renal pelvis of this pt? Echogenic debris and scattered foci of air visualized filling a dilated renal pelvis - think emphysematous pyonephrosis! Pt received abx & IR for drain. The pt did well! Dr. John Moeller @ https://twitter.com/JMoeller_EUS #Emphysematous #Pyelonephritis #EPN #POCUS #Clinical #Ultrasound #Kidney