Role of Fluoroscopy and contrast in administration of ESIs Fluoroscopy is an X-Ray technique. In this imaging technique, the X-Ray results are not in the form of images but a video. Fluoroscopy is important during administration of ESIs. There are some risks associated with ESIs administration which can cause serious complications. To prevent those complications, fluoroscopy helps provide better visualization of vessels. The clinicians achieve better results of blood flow which aids them in preventing intravascular injections.