NORCET 3 - 2022 (Shif…: What is the priority management for a patient with emphysema?

NORCET 3 - 2022 (Shift-1)

Medical & Surgical Nursing

Medium

Appeared in: NORCET 3 - 2022 (Shift-1)

Explanation

Emphysema, a form of COPD, damages the alveoli, leading to impaired gas exchange and resulting in hypoxemia (low blood oxygen).
Based on the Airway, Breathing, Circulation (ABC) framework of prioritization, correcting inadequate breathing and oxygenation is the most critical and immediate intervention.
Administering controlled, low-flow oxygen directly addresses the life-threatening hypoxemia, which is the primary problem in an acute situation.
The goal is to increase the arterial oxygen partial pressure (PaO2) to a safe level (typically above 60 mmHg) or achieve an oxygen saturation (SpO2) of 88-92%.

Option A: Sodium bicarbonate is not a primary treatment for respiratory acidosis caused by emphysema. It can worsen the condition by increasing the body's carbon dioxide load.
Option B: This is dangerous and contraindicated. Patients with emphysema already have difficulty expelling carbon dioxide, leading to hypercapnia (high CO2 levels). Administering more CO2 would worsen respiratory acidosis and could lead to coma or death.
Option D: While maintaining hydration is important for thinning mucus and preventing airway plugging, it is a supportive measure, not the immediate life-saving priority. Correcting hypoxemia takes precedence.

Clinical Relevance

Nursing practice connection: Use the key finding related to Priority nursing interventions for a patient with emphysema to guide bedside assessment, documentation, and the next nursing action.
The primary nursing goal in an acute emphysema exacerbation is to correct life-threatening hypoxemia while closely monitoring for worsening hypercapnia (CO2 retention).
Nurses must use a Venturi mask or low-flow nasal cannula to deliver a precise, controlled oxygen concentration, typically targeting an SpO2 of 88-92%, not 100%.
Continuous monitoring of respiratory status, level of consciousness, and pulse oximetry is crucial after starting oxygen therapy.

How to Approach the Question

First, identify the question type. This is a 'priority' question, asking for the most important initial action.
Recall the pathophysiology of emphysema: it's a lung disease causing poor gas exchange, which leads to low oxygen (hypoxemia) and often high carbon dioxide (hypercapnia).
Apply the ABC (Airway, Breathing, Circulation) framework. The most immediate threat to life for a patient with a respiratory disease is related to 'Breathing' and oxygenation.
Evaluate the options based on the ABCs. Administering oxygen directly addresses the 'Breathing' component by correcting hypoxemia.
Eliminate the other options by considering their immediate impact. Administering CO2 is harmful. Bicarbonate and hydration are supportive measures for later, not the immediate priority for survival.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 1 p. 416-418

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 p. 45-47