# A nurse is assessing a 60-year-old patient with suspected Guillain-Barré syndrome who presents with a 3-day history of progressive weakness starting in the feet and now affecting the hands, and reports recent gastroenteritis 2 weeks ago. Which assessment finding would be most indicative of the characteristic progression pattern of this condition?

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## 문제

A nurse is assessing a 60-year-old patient with suspected Guillain-Barré syndrome who presents with a 3-day history of progressive weakness starting in the feet and now affecting the hands, and reports recent gastroenteritis 2 weeks ago. Which assessment finding would be most indicative of the characteristic progression pattern of this condition?

A 45-year-old patient presents to the emergency department with a 3-day history of progressive weakness that began in the feet and is now affecting the hands. The patient reports recent gastroenteritis 2 weeks ago.

## 보기

1. Ascending symmetrical weakness starting from the lower extremities **✔ 정답**
2. Unilateral facial drooping with speech difficulties
3. Sudden onset of severe headache with neck stiffness
4. Tremors and rigidity in the upper extremities

**정답: 1**

## 해설

Ascending symmetrical weakness from lower extremities is the hallmark progression pattern of Guillain-Barré syndrome. Other options like unilateral facial drooping, sudden headache, or tremors are not characteristic of GBS.

## 심화 해설

Understanding the Characteristic Progression of Guillain-Barré Syndrome

Guillain-Barré syndrome (GBS) is an acute, immune-mediated polyradiculoneuropathy. The hallmark of its clinical presentation is a specific pattern of weakness that is critical for nurses to recognize for early diagnosis and intervention. The question asks you to identify the finding most indicative of this characteristic progression.

The correct answer is **ascending symmetrical weakness starting from the lower extremities**. This reflects the classic, textbook presentation of GBS. The pathophysiology involves the immune system mistakenly attacking the myelin sheath or axons of peripheral nerves, often triggered by a preceding infection, such as the gastroenteritis this patient reported two weeks ago. This demyelination disrupts nerve signal transmission, leading to weakness.

The progression is described as ascending because symptoms typically begin in the most distal parts of the body—the feet and lower legs—and move upward. It is symmetrical because the immune-mediated attack is systemic, affecting nerves on both sides of the body equally. A case report on GBS explicitly describes this as a "subacute, progressive, symmetric ascending weakness involving the lower and distal upper extremities" [1]. This pattern is a key diagnostic consideration that differentiates GBS from other neurological conditions.

Let's analyze why the other options are less indicative of the *characteristic progression pattern* of GBS:

- **Unilateral facial drooping with speech difficulties:** While cranial nerve involvement, including facial nerve palsy, can occur in GBS, it is most commonly bilateral. A unilateral presentation is considered an atypical and rare variant that can cause diagnostic uncertainty [3]. It does not represent the characteristic ascending limb weakness pattern.

- **Sudden onset of severe headache with neck stiffness:** This clinical picture is more suggestive of meningitis or a subarachnoid hemorrhage. It is not a feature of GBS, which is a disorder of the peripheral nervous system and does not typically involve severe headache or meningeal signs.

- **Tremors and rigidity in the upper extremities:** These are "positive" motor symptoms (excessive movement or stiffness) characteristic of central nervous system disorders like Parkinson's disease. GBS, as a peripheral neuropathy, produces "negative" motor symptoms, primarily flaccid weakness and areflexia, not rigidity or resting tremors .

For the NCLEX-RN, it is vital to connect this clinical presentation to your nursing assessment. When a patient presents with a history of a recent infection and a report of symmetrical weakness that started in the legs and is progressing upward, GBS should be a primary consideration. Your focused assessment would then confirm the presence of symmetrical weakness and areflexia (absent deep tendon reflexes) on a neurological exam, and you would prioritize monitoring for the most life-threatening complication: ascending weakness that can affect the respiratory muscles, leading to respiratory failure. This requires vigilant monitoring of respiratory function, including vital capacity and negative inspiratory force, as highlighted in case management where close respiratory monitoring in a stepdown unit was crucial to avoid ICU admission [1].

References (research sources)

- [1]Guillain-Barré Syndrome Following Seasonal Coronavirus (HCoV-229E) Infection: A Case Managed Without Intensive Care.Case reportWeldearegay G, Aghabekyan T, Arif A, Salvani J. (2026) · DOI: 10.7759/cureus.107360

- [3]Guillain-Barré Syndrome Presenting With Unilateral Facial Nerve Palsy: A Rare Presentation.Research articleAlam F, Amin S, Anwar N. (2026) · DOI: 10.7759/cureus.104776

## 임상 시나리오

Guillain-Barré Syndrome: Key Assessment FindingsRecognizing the Classic Ascending Pattern
The hallmark of Guillain-Barré syndrome (GBS) is an ascending, symmetrical weakness. It typically starts as paresthesia and weakness in the feet and lower legs, progressing upward to the hands, arms, and potentially respiratory muscles.

Progression is often rapid, occurring over hours to days, with maximal weakness reached by week 4. A history of a recent infection, such as Campylobacter jejuni gastroenteritis or a respiratory illness, is a common trigger found 1-3 weeks prior.

CautionMonitor respiratory function (vital capacity, negative inspiratory force) frequently. Respiratory failure is a life-threatening complication requiring immediate intervention. Do not wait for full symptom progression.

## 핵심 개념

- **Guillain-Barré Syndrome** — Acute inflammatory demyelinating polyneuropathy. An autoimmune disease in which the body's immune system attacks the myelin sheath of peripheral nerves, characterized by symmetric paralysis that starts in the lower limbs and ascends.
- **Ascending Symmetrical Weakness** — Symmetrical muscle weakness that starts in the lower (distal) parts of the body and progresses upward (proximal). A key diagnostic pattern of GBS.
- **Areflexia** — Loss of deep tendon reflexes. This is an early and common neurological examination finding in GBS, reflecting nerve conduction impairment.
- **Autonomic Dysfunction** — Autonomic nervous system dysfunction. This can occur in GBS patients and is dangerous because it can cause blood pressure fluctuations, heart rhythm abnormalities, and sweating disorders.
- **Intubation / Mechanical Ventilation** — Endotracheal intubation and mechanical ventilation performed in cases of respiratory failure. In managing GBS, it is important to monitor for decreased vital capacity due to respiratory muscle paralysis and prepare for this intervention in a timely manner.

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