Acalculous cholecystitis on POCUS (often associated with elevated LDH & abdominal pain) and a plethoric IVC with smoke (which supports depressed LV squeeze). Labeled Schematic: https://twitter.com/EUSmkh/status/1 #Acalculous #cholecystitis #gallbladder #clinical #pocus #ultrasound #IVC #Longitudinal