BHU NO-2019
Medical & Surgical Nursing
Medium

A nurse repositions a client who is diagnosed with emphysema to facilitate breathing. Which position facilitates maximum air exchange?

Appeared in: BHU NO-2019

Explanation

  • The orthopneic position involves the patient sitting upright and leaning forward, often resting their arms on a supportive surface like an overbed table.
  • This posture maximizes the space available for lung expansion by allowing the diaphragm to drop to its lowest level.
  • Leaning forward stabilizes the shoulder and chest muscles, allowing the accessory muscles of respiration to function more effectively, which reduces the overall work of breathing.
  • It is the position patients with severe dyspnea (difficulty breathing) naturally assume to gain relief, hence the name 'orthopneic'.

Why Other Options Were Wrong

  • Option B: While the semi-Fowler's position (head of bed elevated 30-45 degrees) does improve lung expansion compared to lying flat, it does not provide the maximum air exchange possible.
  • Option C: The low Fowler's position (head of bed elevated 15-30 degrees) provides only minimal benefit for lung expansion and is insufficient for a patient with significant breathing difficulty due to emphysema.
  • Option D: The supine (lying flat) position is the worst for a patient with dyspnea. It causes the abdominal organs to press against the diaphragm, restricting its movement and significantly reducing lung volume.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Use the key finding related to Therapeutic positioning for respiratory distress in patients with COPD to guide bedside assessment, documentation, and the next nursing action.
  • Positioning is a fundamental, non-invasive nursing intervention to immediately alleviate symptoms of dyspnea in patients with COPD, reducing the work of breathing and improving patient comfort and oxygenation.
  • Recognizing and assisting a patient into the orthopneic or tripod position is a critical skill during an acute exacerbation of emphysema or asthma.
  • What if? If the patient also had an unstable spinal injury, the orthopneic position would be contraindicated. In that case, the nurse would use the reverse Trendelenburg position (if permitted) or maintain a neutral, flat alignment with log-rolling precautions, prioritizing spinal stability while managing respiratory status with medication and oxygen.
How to Approach the Question
  • First, identify the patient's diagnosis: emphysema, a condition causing significant breathing difficulty.
  • Next, focus on the keyword in the question: 'maximum air exchange'. This signals that you are looking for the most effective position, not just any helpful one.
  • Analyze the mechanics of each position. Consider how each affects the diaphragm and the ability to use accessory muscles.
  • Eliminate the supine position first, as lying flat is known to worsen dyspnea.
  • Compare the remaining upright positions. While all Fowler's positions help, the orthopneic position involves leaning forward, which specifically recruits accessory muscles and allows for the greatest possible chest expansion.
  • Conclude that the orthopneic position is the superior choice for maximizing air exchange in a patient with severe respiratory distress.
Concept Tested & Keywords
  • Concept Tested: Therapeutic positioning for respiratory distress in patients with COPD.
  • Stem keywords: emphysema, repositions, facilitate breathing, maximum air exchange
  • Lead-in keywords: Which position
  • Clinical cues: Diagnosis of emphysema indicates a chronic obstructive pulmonary disease, where maximizing lung expansion is a priority.

Question ID

QZW7MkeC2acNuqqZe7IheW

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 4 pp. 253-255, 252-254

E6 Nursing Fundamentals Taylor p. 360-362

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