Bladder Air secondary to Colovesical Fistula on POCUS 40's male with fever, low abd pain, cloudy urine/bubbles. Bldr sag clip. States bladder full. Answer: Sigmoid diverticulitis with diverticular abscess/colovesical fistula as source of air in bladder. - Dr. Robert Jones @RJonesSonoEM #Colovesical #Fistula #Bladder #Air #POCUS #clinical #ultrasound #Sagittal