While every caution is taken to prevent any problems, complications can occur and sometimes these may not become evident for several hours. If, in the next 24 hours you experience any of the following, such as prolonged or severe abdominal discomfort, fever, tenderness or significant bleeding, you must contact your physician immediately at the number provided on your written Discharge Instructions. You may also call AZ West Endoscopy Center at 623-594-4060 during NORMAL BUSINESS HOURS of 7:00 AM to 4:00 PM Monday thru Fridays (except holidays), or AFTER HOURS instructions will be provided on how to contact your physician directly. If for any reason you are unable to reach the doctor (within 15 minutes for serious problems), go to the nearest Emergency Room.