The nurse is caring for a client diagnosed with acute decompensated heart failure. The client is increasingly anxious and restless. The nurse should plan to implement which prescribed orders to assist in relieving these symptoms?
Dopamine and 50% non-rebreather mask
Nesiritide IV infusion and digoxin PO
Diazepam IV push and metoprolol IV
Morphine IV and oxygen 2 liters via nasal cannula
The Correct Answer is D
A. Dopamine and 50% non-rebreather mask: Dopamine is a vasopressor used in hypotension or shock, an inotropic agent used to improve cardiac output, not typically first-line for anxiety or respiratory distress. A non-rebreather mask may provide high oxygen levels but can be overwhelming and exacerbate anxiety if not well tolerated.
B. Nesiritide IV infusion and digoxin PO: Nesiritide is a vasodilator which may reduce preload and afterload in heart failure, and digoxin is a positive inotrope that can improve contractility, but neither offers rapid relief for anxiety and dyspnea. These medications have slower onset and are not used primarily for symptom control in acute distress.
C. Diazepam IV push and metoprolol IV: While diazepam may reduce anxiety, it can depress respiration, which is dangerous in decompensated heart failure with potential pulmonary edema. Metoprolol reduces heart rate and contractility and must be used cautiously in acute settings.
D. Morphine IV and oxygen 2 liters via nasal cannula: Morphine reduces preload, anxiety, and the sensation of breathlessness, making it ideal in acute decompensated heart failure. Low-flow oxygen improves oxygenation without overwhelming the patient. This combination directly targets both physiologic and psychological distress.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. gabapentin & acetaminophen: While acetaminophen may help with pain relief, gabapentin is primarily used for neuropathic pain and not effective for the inflammatory chest pain associated with pericarditis. These medications do not address the positional nature of pericardial pain.
B. extended release opioids: Opioids may provide general pain relief but are not the standard treatment for pericarditis-related pain. They do not address the inflammatory cause and carry risks of sedation and respiratory depression without improving cardiac inflammation.
C. sitting & leaning forward: Pericarditis pain is classically relieved by having the patient sit up and lean forward. This position reduces pressure on the pericardium and decreases pain by allowing the inflamed pericardial layers to separate slightly, reducing friction.
D. supine with head of bed 15 degrees: Lying flat or even slightly elevated can worsen pericarditis pain because it increases pressure on the inflamed pericardium. Patients often report increased discomfort in the supine position, making it less favorable for symptom relief.
Correct Answer is D
Explanation
A. "The diaphragmatic nerve overdrives the rapid rhythm:" The phrenic (diaphragmatic) nerve controls the diaphragm for breathing and plays no role in cardiac rhythm regulation. It is unrelated to the autonomic control of heart rate or supraventricular tachycardia (SVT) management.
B. "Vagal stimulation decreases peripheral vascular resistance:" Vagal stimulation primarily affects the heart by decreasing the rate and conduction through the AV node. Its effect on vascular resistance is minimal, making this explanation inaccurate in the context of SVT treatment.
C. "The vagus nerve increases the heart rate, overdriving the rhythm:" The vagus nerve has a parasympathetic effect, slowing down the heart rate, not increasing it. Overdrive pacing is a different concept and not related to vagal maneuvers like carotid massage.
D. "The vagus nerve slows the heart rate": The carotid sinuses in the neck contain baroreceptors that are sensitive to pressure. Massaging these sinuses stimulates the vagus nerve to release acetylcholine, which in turn slows conduction through the AV node and may terminate episodes of SVT. This response demonstrates an accurate understanding of the purpose of the procedure.
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