A client who has been transported to the emergency room after a motor vehicle accident is experiencing asystole. Management of asystole focuses on:
High-quality CPR with minimal interruptions
Cessation at resuscitation attempts after 2 minutes
Administration of Narcan until an electrical rhythm is obtained
Continuous defibrillation until an electrical rhythm is obtained
The Correct Answer is A
A. High-quality CPR with minimal interruptions is the cornerstone of asystole management. Asystole is a non-shockable rhythm, so maintaining perfusion through effective chest compressions and administering appropriate medications (like epinephrine) is essential.
B. Cessation of resuscitation efforts after only 2 minutes is inappropriate; the decision to stop should be based on the clinical scenario and response to interventions over time.
C. Narcan (naloxone) is used for opioid overdose, not for treating asystole unless there is a suspected opioid-related cause—and it does not directly restore electrical cardiac rhythm.
D. Defibrillation is not indicated in asystole, as it is a non-shockable rhythm. Continuous defibrillation is ineffective and inappropriate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The presence of prosthetic heart valves is a significant risk factor for infective endocarditis due to the increased likelihood of bacterial colonization.
B. Sedentary lifestyle is not a direct risk factor for infective endocarditis, though it may contribute to other cardiovascular issues.
C. Radiation exposure – While it may affect cardiac tissue, it is not considered a risk factor for infective endocarditis.
D. Cardiac catheterization – While it is an invasive procedure, it is not a major or common risk factor for infective endocarditis compared to prosthetic valves or structural heart defects.
Correct Answer is B
Explanation
A. Blood flowing back from the left atrium to the left ventricle describes mitral regurgitation, not aortic regurgitation.
B. Aortic regurgitation involves the backflow of blood from the aorta into the left ventricle during diastole due to an incompetent aortic valve. This leads to volume overload in the left ventricle.
C. Obstruction of blood from the left atrium to the left ventricle occurs in mitral stenosis, not aortic regurgitation.
D. Obstruction of blood flow from the left ventricle is characteristic of aortic stenosis, not aortic regurgitation.
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