The nurse notes a client in supraventricular tachycardia. The patient has a pulse and the cardiac monitor is at the bedside. The nurse understands electrical intervention is indicated. What button does the nurse push to ensure the electricity is delivered on the R wave? Refer to the picture.
ANALYZE
SHOCK
ON
SYNC
The Correct Answer is D
Choice A rationale: The “ANALYZE” button is typically used to allow the defibrillator to analyze the heart rhythm. It would not ensure that the electricity is delivered on the R wave6.
Choice B rationale: The “SHOCK” button is used to deliver a shock during defibrillation or cardioversion. However, it does not specifically ensure that the shock is delivered on the R wave6.
Choice C rationale: The “ON” button is typically used to turn the device on or off. It does not control the timing of the electrical delivery6.
Choice D rationale: The “SYNC” button is used in synchronized cardioversion to match the delivery of the shock to the R wave of the ECG, which is the peak of the electrical wave during which the ventricular cells are depolarized6.
So, the correct answer is D, after analysing all choices.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale: Heparin is an anticoagulant that prevents new clots from forming but does not dissolve existing clots23.
Choice B rationale: Heparin does not directly dissolve clots23.
Choice C rationale: While a pharmacist can provide medication information, it is incorrect to say they would be a better fit to answer this question as nurses are trained in medication education23.
Choice D rationale: While it’s true that it takes time for heparin to reach a therapeutic blood level, this statement could be misleading because heparin does not dissolve clots23.
So, the correct answer is Choice A, after analysing all choices.
Correct Answer is B
Explanation
Choice A rationale: While amiodarone is a medication used in the treatment of ventricular fibrillation, it is not the immediate priority in an unresponsive client34.
Choice B rationale: The immediate priority in a client who goes into ventricular fibrillation and is unresponsive is to prepare for defibrillation. This is a life-saving measure that can restore a normal heart rhythm34.
Choice C rationale: Synchronized cardioversion is not the immediate priority in a client who goes into ventricular fibrillation and is unresponsive34.
Choice D rationale: While epinephrine is a medication used in the treatment of ventricular fibrillation, it is not the immediate priority in an unresponsive client34.
So, the correct answer is B, after analysing all choices.
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