The patient presents to the ED with severe chest discomfort. A cardiac catheterization and angiography shows an 90% occlusion of the left main coronary artery. Which procedure will be most likely performed on this patient?
Coronary artery bypass graft surgery
Radiofrequency catheter ablation
Implantable cardioverter-defibrillator placement
Circulatory assist device
The Correct Answer is A
A. Coronary artery bypass graft (CABG) surgery is typically recommended for patients with significant occlusion of the left main coronary artery, as it effectively restores blood flow to the heart muscle by bypassing the blocked artery.
B. Radiofrequency catheter ablation is used to treat arrhythmias, not coronary artery occlusions.
C. Implantable cardioverter-defibrillator (ICD) placement is for managing life-threatening arrhythmias, not directly for treating coronary artery blockages.
D. A circulatory assist device is used in severe cases of heart failure, but it does not address the underlying issue of coronary artery occlusion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A depressed ST-segment is often associated with ischemia or non-ST elevation myocardial infarction (NSTEMI), not an ongoing MI.
B. A depressed ST-segment with normal cardiac enzymes suggests ischemia rather than an active MI.
C. ST-segment elevation on ECG combined with elevated cardiac biomarkers such as CK-MB or troponin levels is a hallmark of an acute ST-segment elevation myocardial infarction (STEMI), indicating an ongoing MI.
D. A Q wave on ECG indicates an old infarction and is not associated with an acute MI if enzymes and troponin levels are normal.
Correct Answer is C
Explanation
A. Referring the patient to the physician without addressing the concern may make the patient feel dismissed.
B. While lifestyle changes are important, this response does not address the patient’s emotional concern directly.
C. Encouraging the patient to express their fears allows the nurse to provide emotional support and address any misconceptions or anxieties, which is crucial for holistic care.
D. This response could be seen as dismissive and may not address the patient’s underlying concerns or fears.
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