Liver ct enhancement generally refers to liver enhancement CT, eating breakfast for liver enhancement CT is inaccurate, should pay attention to fasting examination. For those who have the need to do liver enhancement CT scan, you need to fast on the day of the examination to prevent food from influencing the results and delaying the diagnosis and treatment of the disease. The reasons are as follows: 1. Avoiding the intake of food: avoiding the discharge of bile, gallbladder atrophy, which is not conducive to the observation of the internal structure of the gallbladder. 2. Avoiding vomitus aspiration: contrast agent will be injected when doing CT enhancement, if allergic reaction to contrast agent occurs, nausea and vomiting appear. If there are stomach contents, it may cause aspiration of vomit, which may be dangerous. In addition to fasting, people are required to undergo an iodine allergy test before having a liver enhancement CT scan. Usually, people who are allergic to iodine should not undergo this test to prevent allergic reactions. It is recommended to consult a regular hospital for a liver enhancement CT scan to ensure the accuracy of the test results.