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Sigmoidoscopy

Sigmoidoscopy is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Anoscopy (anal canal), proctoscopy (anus and rectum), flexible fiberoptic sigmoidoscopy, flexible proctosigmoidoscopy, sigmoidoscopy (sigmoid colon).

Rationale
To visualize and assess the anus, rectum, and sigmoid colon to assist in diagnosing disorders such as cancer, inflammation, prolapse, and evaluate the effectiveness of medical and surgical therapeutic interventions.

Patient Preparation
There are no activity restrictions unless by medical direction. Instruct the patient to eat a low-residue diet for 3 days prior to the procedure. Only clear liquids should be consumed the evening before, and food and fluids should be restricted for 8 hr prior to the procedure. Protocols may vary among facilities. Note intake of oral iron preparations within 1 wk before the procedure because these cause black, sticky feces that are difficult to remove with bowel preparation. Ensure that this procedure is performed before an upper gastrointestinal (GI) study or barium swallow.

Regarding the patient's risk for bleeding, the patient should be instructed to avoid taking natural products and medications with known anticoagulant, antiplatelet, or thrombolytic properties or to reduce dosage, as ordered, prior to the procedure. Number of days to withhold medication is dependent on the type of anticoagulant. Note the last time and dose of medication taken.

Normal Findings

  • Normal mucosa of the anal canal, rectum, and sigmoid colon.

Critical Findings and Potential Interventions
N/A

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Sigmoidoscopy." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425008/all/Sigmoidoscopy.
Bladh ML, Van Leeuwen AM. Sigmoidoscopy. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425008/all/Sigmoidoscopy. Accessed June 20, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Sigmoidoscopy. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425008/all/Sigmoidoscopy
Bladh ML, Van Leeuwen AM. Sigmoidoscopy [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 June 20]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425008/all/Sigmoidoscopy.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Sigmoidoscopy ID - 425008 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425008/all/Sigmoidoscopy PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -