Get WEIRD! Chris and Mars break down acute cholecystitis, one of the most tested topics on the surgery shelf and Step 2 CK. From the pathophysiology of gallstone obstruction to the key physical exam findings and definitive management, this episode will solidify your knowledge for test day. Learn how to distinguish biliary colic from cholecystitis, understand the role of ultrasound and HIDA scanning, and master the high-risk scenarios like acalculous and emphysematous cholecystitis.