UPUMS Nsg.Officer-2024
Medical Surgical Nursing
Hard

An adult is admitted to the emergency room with a laceration on the forearm and BP = 140/74, P110, and R36. The client also complains of tingling around the mouth and in the fingers and toes. What should the nurse expect to do initially?

Appeared in: UPUMS Nsg.Officer-2024

Explanation

  • The patient's rapid respiratory rate (36 breaths/min) combined with tingling sensations are classic signs of respiratory alkalosis caused by hyperventilation.
  • The underlying problem is an excessive loss of carbon dioxide (CO₂), which raises the blood's pH and decreases the level of ionized calcium, leading to neuromuscular irritability (tingling).
  • Having the client breathe into a paper bag allows them to rebreathe their exhaled CO₂, which is the most direct and immediate method to raise their blood CO₂ levels, correct the alkalosis, and relieve the symptoms.

Why Other Options Were Wrong

  • Option A: This intervention is not specific enough. While slow, controlled breathing is a long-term strategy for anxiety, simply telling an anxious, hyperventilating person to take 'deep breaths' may cause them to breathe even faster and deeper, worsening the CO₂ loss.
  • Option B: The client's problem is not a lack of oxygen (hypoxia) but a lack of carbon dioxide (hypocapnia). Administering oxygen is irrelevant to the underlying acid-base imbalance and will not resolve the symptoms.
  • Option C: This is not the initial action. Managing acute hyperventilation with a paper bag is a standard independent nursing intervention. The nurse should act first to stabilize the patient and then notify the physician.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Management of hyperventilation and respiratory alkalosis in acute care settings.
  • Nurses must be able to quickly recognize the signs of respiratory alkalosis at the bedside, as it often accompanies anxiety, pain, or panic attacks in various clinical settings.
  • The initial nursing intervention of rebreathing is simple, non-invasive, and highly effective, preventing the need for more complex interventions and providing rapid symptom relief and patient reassurance.
  • What if? If the patient had a history of COPD or heart failure, the paper bag technique would be contraindicated. In these patients, hyperventilation might be a compensatory mechanism for metabolic acidosis or hypoxia, and raising their CO2 could be dangerous. The priority would be to assess oxygen saturation and treat the underlying cause.
How to Approach the Question
  • First, analyze the vital signs presented in the scenario. A respiratory rate of 36 is significantly elevated and is the most critical clue, pointing directly to hyperventilation.
  • Next, connect the abnormal vital sign with the patient's subjective complaints. The tingling sensation (paresthesia) around the mouth and in the extremities is a hallmark symptom of the electrolyte imbalance caused by hyperventilation.
  • Identify the underlying pathophysiology. Recognize that hyperventilation leads to blowing off too much CO₂, causing respiratory alkalosis and a drop in ionized calcium, which results in the tingling.
  • Determine the primary goal of the initial intervention, which is to increase the patient's arterial CO₂ level to correct the acid-base imbalance.
  • Evaluate the given options based on this goal. Only breathing into a paper bag directly and immediately achieves the goal of increasing CO₂ levels. The other options either do not address the core problem or are not the first priority.
Concept Tested & Keywords
  • Concept Tested: Management of hyperventilation and respiratory alkalosis
  • Stem keywords: emergency room, laceration, P110, R36, tingling around the mouth, fingers and toes
  • Lead-in keywords: initially
  • Clinical cues: A respiratory rate of 36 indicates severe tachypnea, a key sign of hyperventilation.
  • Clinical cues: Tingling around the mouth (circumoral paresthesia) and in the extremities are classic symptoms of respiratory alkalosis due to decreased ionized calcium.

Question ID

QGldKVEwoP2_DhWE7H4M8B

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