System of T tumor-staging of rectal cancers based upon endoscopic ultrasound appearance.
A. Formation of loops in the colon can cause patient discomfort, difficulty in advancing the scope, and may increase the risk of perforation. B. Here an alpha loop has been formed in the sigmoid colon, facilitating passage into the descending colon. Clock
Patient position and room setup. A video monitor is placed in the direct line of sight of the endoscopist (at the back of the patient) and the assistant (who stands in front of the patient). Monitoring equipment for EKG, blood pressure, and oxygen saturat