A 65 year old male with past medical history of chronic obstructive pulmonary disease (COPD) presents to the ED with the chief complaint of cough, fever and shortness of breath. When you check his vitals, you notice his oxygen saturation level is at 80% on room air. Based on this information, what do you think the patient has?
He has acute respiratory failure on top of chronic respiratory failure (Acute on chronic respiratory failure)
Hypercapnic respiratory failure
An allergic reaction to a medication
Heart failure
The Correct Answer is A
A. He has acute respiratory failure on top of chronic respiratory failure (acute on chronic respiratory failure): The patient has a history of COPD, which can lead to baseline chronic respiratory compromise. The acute onset of cough, fever, shortness of breath, and SpO2 of 80% indicates a sudden worsening of gas exchange on top of chronic insufficiency.
B. Hypercapnic respiratory failure: While COPD patients are at risk for hypercapnic respiratory failure (elevated CO2), the key feature here is acute decompensation on a background of chronic disease, which encompasses hypoxemia and possibly hypercapnia.
C. An allergic reaction to a medication: Allergic reactions typically present with rash, swelling, or airway obstruction rather than fever, productive cough, and hypoxemia. This does not fit the patient’s presentation.
D. Heart failure: While heart failure can cause shortness of breath and hypoxemia, the presence of fever, cough, and a known COPD history makes an acute pulmonary process on top of chronic lung disease more likely than acute heart failure in this context.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Turning/repositioning patient: While repositioning is important for overall patient care and to prevent pressure injuries, it is not specific to tracheostomy management and does not directly maintain airway patency.
B. Bathing patient: Bathing is part of routine hygiene care but does not relate directly to the function or safety of the tracheostomy tube.
C. Assessing patency of tracheostomy tube: Ensuring the tracheostomy tube is patent is critical to maintaining a clear airway, preventing obstruction, and ensuring adequate ventilation. Regular assessment includes checking for secretions, tube displacement, and airway obstruction.
D. Providing bag mask ventilation to patient each shift: Bag-mask ventilation is only indicated in emergencies when the patient is not ventilating adequately. Routine ventilation is not part of standard tracheostomy care.
Correct Answer is C
Explanation
A. That the patient is pain free: While pain management is important for overall comfort and cooperation, being completely pain-free is not the primary criterion for weaning. Pain alone does not determine ventilatory readiness.
B. That the patient does not have a fever: Absence of fever is beneficial for overall stability but is not the key factor in deciding readiness for weaning. The patient may still be weaned successfully if the underlying respiratory issue is improving.
C. That the underlying problem prompting mechanical ventilation is improving or resolved: Successful weaning requires that the initial cause of respiratory failure, such as pneumonia, COPD exacerbation, or ARDS, is improving or resolved. If the underlying problem persists, the patient is unlikely to sustain adequate spontaneous ventilation.
D. That the patient has been on the ventilator for at least 1 week: The duration of mechanical ventilation is not a determining factor for weaning readiness. Some patients may be ready to wean after a few days, while others require longer support depending on their condition.
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