Which one of the following statements by a patient with back ache should alert the nurse?

NCL (MP) Nursing Officer - 2019

Medical & Surgical Nursing

Easy

Appeared in: NCL (MP) Nursing Officer - 2019

Explanation

Perineal anesthesia, also known as saddle anesthesia, is a hallmark symptom of Cauda Equina Syndrome (CES).
CES involves severe compression of the nerve roots at the base of the spinal cord.
This condition is a neurosurgical emergency because delayed treatment can lead to permanent loss of bowel and bladder control, sexual dysfunction, and leg paralysis.
The presence of perineal anesthesia requires immediate escalation and intervention to prevent irreversible neurological damage.

Option A: Pain on movement is a non-specific symptom and is characteristic of most common types of mechanical low back pain. It does not, by itself, indicate a neurological emergency.
Option B: Pain radiating down the leg (sciatica) indicates nerve root irritation (radiculopathy) but is very common. It is not considered an emergency unless it is accompanied by other red flags like progressive weakness or bladder symptoms.
Option D: Loss of sensation in the feet can be caused by various conditions like peripheral neuropathy (e.g., from diabetes) or radiculopathy. While it requires investigation, it is not as acutely alarming as perineal anesthesia, which points to a central compression of multiple sacral nerve roots.

Clinical Relevance

Nursing practice connection: Use the key finding related to Identification of red flag symptoms in patients with back pain, specifically for Cauda Equina Syndrome to guide bedside assessment, documentation, and the next nursing action.
A nurse's ability to recognize red flag symptoms for back pain, like perineal anesthesia, is critical for patient safety. Prompt identification and escalation can prevent devastating, permanent disability.
In any patient presenting with back pain, a quick screen for red flags (saddle sensation, bladder/bowel changes, progressive weakness) is a crucial part of the initial nursing assessment.
What if? If a patient reported radiating leg pain AND new-onset difficulty urinating, the combination of these two symptoms elevates the urgency. The bladder dysfunction is a red flag for cauda equina syndrome, and this patient would also require immediate emergency evaluation.

How to Approach the Question

First, read the question carefully, noting the keywords 'back ache' and 'alert the nurse'. This implies you are looking for the most serious or urgent symptom.
Evaluate each option based on its potential for indicating a life- or function-threatening condition.
Recall or identify the 'red flags' associated with back pain. These are signs and symptoms that point to serious underlying pathology like infection, tumor, fracture, or severe neurological compression.
Compare the options: 'Pain on movement' and 'radiating leg pain' are very common. 'Lost sensation in feet' is concerning but can be chronic. 'Perineal anesthesia' is a specific, classic sign of a surgical emergency (Cauda Equina Syndrome).
Select the option that represents the highest level of acuity and potential for severe, permanent harm if missed. Perineal anesthesia fits this criterion.

Concept Tested & Keywords

Concept Tested: Identification of red flag symptoms in patients with back pain, specifically for Cauda Equina Syndrome.
Stem keywords: back ache, alert the nurse
Lead-in keywords: Which one
Negative lead-in flag: false

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