Is There a Difference Between a C T a and a CT A?

Most direticula bleeds and a stopping on its own. But in some scenarios, they keep continuing to stop and start, stop and start bleeding when they're in the hospital. In those patients that are continued bleed, o, continue to require blood transfusions. And then when is it that we should think about referring to surgery for some sort of surgical procedure? Collectme, i guess yes.