A client was admitted with rib fractures and a Pneumothorax, which were sustained as a result of a motor vehicle accident. A chest tube was placed on the left side to re-inflate his lung, and he was transferred to a client unit. 24 hours after admission he continues to have bloody sputum, develops increasing hypoxemia, and his chest x-ray shows patchy infiltrates. The nurse analyzes these symptoms as being consistent with:

1. A

   Pneumonia

2. B

   Pulmonary contusions

3. C

   Pulmonary edema

4. D

   Tension Pneumothorax

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-2)

Explanation

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• Pulmonary contusion is a direct injury (bruise) to the lung parenchyma, common after blunt chest trauma.
• The injury damages capillaries, causing blood and fluid to leak into the alveoli.
• This leakage impairs gas exchange, leading to hypoxemia, and causes bleeding, which results in bloody sputum.
• Radiological signs, such as patchy infiltrates, often appear and progress 12-48 hours after the injury, matching the patient's presentation.

Why Other Options Were Wrong

• Option A: Pneumonia is an infection. While it can be a complication of trauma, it typically develops over several days, not within 24 hours. Also, fever and purulent sputum are more common signs.
• Option C: Pulmonary edema is typically related to cardiac issues (cardiogenic) or Acute Respiratory Distress Syndrome (ARDS). While contusion can lead to ARDS, the initial presentation with a clear traumatic cause points more specifically to contusion. X-ray findings also differ (diffuse fluffy opacities vs. patchy).
• Option D: A tension pneumothorax is a life-threatening emergency with dramatic signs like severe respiratory distress, hypotension, tracheal deviation, and absent breath sounds on one side. The patient's symptoms (bloody sputum, patchy infiltrates) are not characteristic of this condition.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Assessment and diagnosis of complications from blunt chest trauma to guide bedside assessment, documentation, and the next nursing action.
• Nurses must maintain a high index of suspicion for pulmonary contusion in any patient with significant blunt chest trauma, as it is the most common thoracic injury and can be life-threatening.
• Key nursing interventions include frequent respiratory assessments, continuous pulse oximetry, pain management to facilitate deep breathing, and careful fluid management to prevent worsening edema.
• Pulmonary contusions can progress to Acute Respiratory Distress Syndrome (ARDS), so early recognition and supportive care are critical to prevent respiratory failure.

How to Approach the Question

• First, identify the key elements of the clinical scenario: the mechanism of injury (MVA, blunt chest trauma), the initial injuries (rib fractures, pneumothorax), and the timeline (24 hours post-admission).
• Next, analyze the new signs and symptoms that have developed: bloody sputum, increasing hypoxemia, and patchy infiltrates on the chest x-ray.
• Evaluate each option against this clinical picture.
• Consider the typical onset and presentation of each condition. Pulmonary contusion classically develops over 24-48 hours post-trauma with these exact signs.
• Rule out the other options based on their characteristic features. Pneumonia is slower and infectious. Tension pneumothorax has more dramatic, mechanical signs. Pulmonary edema has different causes and X-ray patterns.
• Conclude that the combination of blunt trauma, a 24-hour delay, and the specific triad of symptoms makes pulmonary contusion the most logical diagnosis.

Concept Tested & Keywords

• Concept Tested: Assessment and diagnosis of complications from blunt chest trauma.
• Stem keywords: rib fractures, Pneumothorax, motor vehicle accident, chest tube, bloody sputum, hypoxemia, patchy infiltrates
• Lead-in keywords: consistent with
• Clinical cues: The 24-hour timeline for the development of symptoms after the initial trauma is a key diagnostic clue.

Question ID

QFSRE3_QCYnqmjckX4iRiA

Copy ID

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 p. 23-25