Digital Rectal Exam: A Practical Guide for Nurses

Introduction

A digital rectal exam involves using a gloved, lubricated finger to assess the rectum and surrounding tissues. It helps identify abnormalities in bowel tone, detect masses, evaluate stool consistency, and contribute to the diagnosis of conditions such as hemorrhoids, anal fissures, colorectal tumors, or bowel dysfunction. For nurses, mastery of this skill is vital, as the exam not only aids in clinical assessment but also in planning appropriate care.

Indications for a Digital Rectal Exam

• Bowel Function Assessment: Evaluating sphincter tone or identifying impacted feces in patients with bowel dysfunction.
• Screening and Diagnosis: Checking for masses, lesions, or anatomical abnormalities that may indicate conditions like colorectal cancer or benign prostatic hypertrophy (in men).
• Continence Evaluation: Assessing anal sphincter strength and function, especially in patients with suspected incontinence.
• Pre-/Post-Operative Monitoring: Observing changes following anorectal surgeries or during conservative management of lower bowel issues.

Patient Preparation

1. Education & Consent:
   • Explain the Procedure: Clearly describe what the exam entails, why it’s necessary, and what the patient may experience.
   • Obtain Informed Consent: Ensure the patient understands the purpose and potential discomfort, and secure their consent before proceeding.
2. Privacy & Comfort:
   • Confidential Environment: Use a private, well-lit room and utilize appropriate draping to expose only the necessary area.
   • Chaperone: Offer the presence of a chaperone if preferred by the patient, which can help foster trust and comfort.
3. Positioning:
   • Common Positions: The left lateral (Sim’s) position is most frequently used; however, the knee-chest or standing position (leaning forward) may be appropriate based on the patient’s condition and comfort.
   • Explain and Assist: Guide the patient into the chosen position, ensuring they feel secure and comfortable.

Procedure Technique

These steps ensure a thorough and respectful examination while prioritizing patient comfort and dignity.

Step-by-Step Process

1. Visual inspection: Inspect the area for hemorrhoids, fissures, rashes, or external bleeding. Don’t skip this—it can clue you into issues before you even start.
2. Apply lubricant to your index finger generously.
3. Insert the finger gently: With your dominant hand, introduce your gloved, lubricated index finger into the rectum. Go slow, and use a slight twisting motion if resistance is felt. Tell your patient to take slow, deep breaths to help relax the sphincter.
4. Feel for abnormalities:
   • Rectal tone: Is it tight (a normal finding) or flaccid?
   • Stool consistency: Hard stool might mean impaction; no stool could indicate an obstruction higher up.
   • Masses or tenderness: Palpate the walls for any unusual bumps or areas of pain.
   • Prostate (if applicable): For male patients, check for size, shape, and tenderness of the prostate gland. A healthy prostate feels smooth and firm, like the tip of your nose.
5. Withdraw slowly: As you withdraw your finger, take note of any blood, mucus, or stool on your glove.
6. Test the stool: If an occult blood test is ordered, apply the stool from your glove to the testing medium.

Post-Examination Care

1. Patient Reassurance & Cleanup:
   • Aftercare: Help the patient with personal hygiene if needed and offer reassurance about the normalcy of any slight discomfort felt post-examination.
   • Privacy Restored: Ensure the patient is comfortably redressed and understands what to expect following the assessment.
2. Documentation:
   • Precise Recording: Document findings in detail, including the condition of the rectal mucosa, sphincter tone, presence of masses or lesions, and any patient-reported discomfort.
   • Follow-Up Actions: Note any need for additional diagnostic tests or referrals if abnormalities are detected.

Interpreting Your Findings

• Hard stool: Likely fecal impaction or constipation.
• Liquid stool around hard stool: Beware of overflow diarrhea from impaction.
• Blood on glove: Bright red indicates lower GI or rectal bleeding; dark stool may suggest an upper GI source. If you are examining a trauma patient, blood might indicate an open pelvic fracture.
• Decreased tone: Could signal spinal cord injury or nerve damage.
• Tender prostate or rectal wall: Might indicate prostatitis or other inflammatory conditions.

Tips for Nurses

• Ask for help. If you’re new to DREs, ask a mentor to guide you through your first few assessments.
• Maintain professionalism. Perform the procedure quickly and matter-of-factly. Your patient might already feel embarrassed—don’t add to it with grimaces or awkward comments.
• Document everything: Be specific in your notes—include findings like tone, presence of stool, presence of blood or clots, and any abnormalities seen on visual exam.

Special Considerations

• Dignity and Respect: Always maintain the patient’s dignity. Explain why the exam is essential and provide a supportive, nonjudgmental environment.
• Sensitivity to Patient Needs: Recognize that DREs can cause anxiety. Offer calm, empathetic communication throughout, and be willing to pause if the patient feels overwhelmed.
• Clinical Competence: Regular training and adherence to current clinical guidelines are crucial to performing a thorough and safe DRE. Ensure you’re familiar with your institution’s procedures and policies.
• Infection Control & Safety: Strictly adhere to hygiene protocols to reduce the risk of infection. Dispose of gloves and any contaminated materials according to proper regulations.
• Use of a Chaperone: When appropriate, offer the option of a chaperone to enhance patient comfort and ensure the professional conduct of the procedure.

REFERENCES

1. Aston B and Sheehan L (2013) Goal setting for faecal incontinence: a patient-centred approach. Gastrointestinal Nursing 8(3).
2. Bardsley A (2015) Approaches to managing chronic constipation in older people within the community setting. British Journal of Community Nursing 20(9).
3. Barrie M (2017) Treatment interventions for bowel dysfunction: constipation. JCN 31(5).
4. Beeckman D, Woodward S and Rajpaul K (2011) Clinical challenges of prevention incontinence-associated dermatitis. British Journal of Nursing 20(13):784–790.
5. Brown S, Wadhawan H and Nelson R (2010) Surgery for faecal incontinence in adults.Cochrane Database of Systematic Reviews 8(9):CD001757
6. Burch J and Collins B (2010) Using biofeedback to treat constipation, faecal incontinence and other bowel disorders. Nursing Times 106(37):8–21.
7. Collins B and O’Brien L (2015) Prevention and management of constipation in adults. Nursing Standard 29(32)49–58.
8. Villanueva Herrero JA, Abdussalam A, Kasi A. Rectal Exam https://www.ncbi.nlm.nih.gov/books/NBK537356/. 2023 Feb 18. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan.

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