Page 1484 - Saunders Comprehensive Review For NCLEX-RN
P. 1484

E. Fiberoptic colonoscopy


                                             1. Description
                                                             a. Colonoscopy is a fiberoptic endoscopy
                                                                study in which the lining of the large
                                                                intestine is visually examined; biopsies
                                                                and polypectomies can be performed.
                                                             b. Cardiac and respiratory function is
                                                                monitored continuously during the
                                                                test.
                                                             c. Colonoscopy is performed with the
                                                                client lying on the left side with the
                                                                knees drawn up to the chest; position
                                                                may be changed during the test to
                                                                facilitate passing of the scope.
                                             2. Preprocedure

                                                                    a. Adequate cleansing of the colon

                                                                is necessary, as prescribed by the
                                                                PHCP.
                                                             b. A clear liquid diet is started on the day
                                                                before the test. Red, orange, and
                                                                purple (grape) liquids are to be
                                                                avoided.
                                                             c. Consult with the PHCP regarding
                                                                medications that must be withheld
                                                                before the test.
                                                             d. Client is NPO for 4 to 6 hours prior to
                                                                the test.
                                                             e. Moderate sedation is administered
                                                                intravenously.
                                                             f. Medication may be administered to
                                                                relax smooth muscle.
                                             3. Postprocedure
                                                             a. Monitor vital signs.
                                                             b. Provide bed rest until alert.
                                                             c. Monitor for signs of bowel perforation
                                                                and peritonitis (Box 48-3).
                                                             d. Remind the client that passing flatus,
                                                                abdominal fullness, and mild
                                                                cramping are expected for several
                                                                hours.
                                                             e. Instruct the client to report any bleeding
                                                                to the PHCP.



                                                                       The client receiving oral liquid bowel




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