A 45-year-old patient presents with a severe head injury. Which of the following is a contraindication for the insertion of a nasopharyngeal airway in this patient?

1. A

   Skull base Fracture

2. B

   Patient has hypoxemia

3. C

   Chest infection

4. D

   During dental procedures

Appeared in: NORCET 6 Prelims -2024

Explanation

Listen in Hindi

• In a patient with a severe head injury, a skull base fracture must be suspected.
• A nasopharyngeal airway (NPA) is contraindicated in cases of known or suspected basilar skull fracture.
• The key danger is the potential for the NPA to be inserted through the fractured cribriform plate directly into the cranial vault, causing catastrophic brain injury or infection.
• This is considered an absolute contraindication in emergency airway management.

Why Other Options Were Wrong

• Option B: Hypoxemia (low blood oxygen) is a primary reason to establish an open airway. Therefore, it is an indication for using a nasopharyngeal airway, not a contraindication.
• Option C: A chest infection, such as pneumonia, affects the lower respiratory tract. It does not create any structural contraindication to inserting an airway adjunct in the nasopharynx.
• Option D: While an NPA may not be the standard airway for dental procedures, its use is not contraindicated. In some cases, it might be a viable option if access to the mouth is limited.

Related Visual

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Airway Management and Contraindications in acute care settings.
• A nurse's primary responsibility in this scenario is patient safety. Before inserting an NPA in a trauma patient, a rapid assessment for signs of a basilar skull fracture is crucial. Look for Battle's sign (bruising behind the ear), raccoon eyes (bruising around the eyes), or clear fluid (CSF) leaking from the nose or ears.
• If any signs of a basilar skull fracture are present, the nurse must not insert an NPA and should opt for an alternative airway adjunct, like an oropharyngeal airway (if no gag reflex is present), and prepare for definitive airway management like intubation.
• What if? If the patient had a severe jaw fracture but no signs of head injury, an NPA would be an excellent choice because an oropharyngeal airway might be difficult or impossible to insert.

How to Approach the Question

• First, identify the core of the question: it asks for a 'contraindication' for a specific procedure ('nasopharyngeal airway') in a specific patient ('severe head injury').
• The keyword 'contraindication' means a situation where the procedure should NOT be performed due to potential harm.
• Analyze the patient context: 'severe head injury' is a major clue. This should immediately make you think about potential complications related to the head, specifically skull fractures.
• Evaluate each option in the context of a severe head injury:
• A) Skull base fracture: Consider the anatomy. The nasopharynx is just below the base of the skull. A fracture here could create a false passage. This is a strong candidate for a contraindication.
• B) Hypoxemia: This is a reason to secure an airway, making it an indication, the opposite of a contraindication.

Concept Tested & Keywords

• Concept Tested: Airway Management and Contraindications
• Stem keywords: severe head injury, nasopharyngeal airway, contraindication
• Lead-in keywords: Which of the following is
• Clinical cues: The patient's presentation with a 'severe head injury' is a critical cue to consider potential skull fractures, which directly impacts airway management choices.

Question ID

QdJW0RwsrIDhnBU4yknp-v

Copy ID

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 2 Part 3 p. 115-117

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 616-618