What is the IOC for emphysematous cholecystitis? USG or CECT?

what is the IOC for emphysematous cholecystitis? USG or CECT?

Cect

Acc to dr. Mak air is the enemy of usg

Water is the friend of usg

CT if pt is stable

The IOC for emphysematous cholecystitis is USG. We can perform a CT if the patient is stable.

Thank you.