A nurse is caring for an alert client who reports heart palpitations, nausea, and dizziness. An electrocardiogram (EKG) confirms the client is experiencing vector tachycardia (VT). The nurse should anticipate which action?
Start CPR
Prepare for radiofrequency catheter ablation
Prepare for defibrillation
Prepare for cardioversion
The Correct Answer is D
A. Start CPR: CPR is indicated if the client is unresponsive and pulseless, which is not the case here as the client is alert.
B. Prepare for radiofrequency catheter ablation: This is a long-term treatment for recurrent VT but not appropriate for acute management.
C. Prepare for defibrillation: Defibrillation is used for pulseless VT or ventricular fibrillation, not for a stable VT with a pulse.
D. Prepare for cardioversion: Synchronized cardioversion is the appropriate intervention for a stable VT with a pulse to restore normal rhythm.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. It occurs immediately when buttons depressed: The device synchronizes with the R wave and does not deliver the shock immediately.
B. It requires a higher amount of joules than is used in defibrillation: Cardioversion typically requires fewer joules compared to defibrillation.
C. It discharges during ventricular depolarization of the heart: Synchronized cardioversion times the electrical shock with the R wave (ventricular depolarization) to avoid delivering energy during the T wave, which could induce ventricular fibrillation.
D. It is programmed to occur in non-sync mode: Cardioversion must be synchronized; non-sync mode is used in defibrillation.
Correct Answer is B
Explanation
A. Urine glucose, high: High urine glucose would suggest hyperglycemia, typically seen in diabetes mellitus, not diabetes insipidus.
B. Urine specific gravity, 1.001: Diabetes insipidus results in excessive urine output with a low specific gravity (dilute urine), reflecting the inability to concentrate urine.
C. Urine output, 50 ml/hr: This is a relatively low urine output, which does not indicate diabetes insipidus. Diabetes insipidus is characterized by very high urine output, often greater than 3 liters per day.
D. Urine protein, high: High urine protein could suggest kidney disease or glomerular injury, not diabetes insipidus.
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