When the patient arrives at the hospital, some routine tests should be done when necessary to facilitate the doctor’s diagnosis. For acute cholecystitis, the specific tests that need to be done include the following: 1. This is very important for the development of the treatment plan; 4. Other examinations: if necessary, CT examination or MRI may be done. The purpose of these tests is to get a clear diagnosis as soon as possible and help the doctor to develop a treatment plan. Some patients with acute cholecystitis may have to undergo emergency surgery after the diagnosis is made through these tests, so the doctor will choose the appropriate tests according to the patient’s condition.