The nurse is preparing a client for an electrophysiology procedure. What statements would the nurse include when explaining this procedure to a client? Select All That Apply

Facilitates the insertion of a pacemaker

Assesses the function of the SA node

Evaluates the effectiveness of prescribed antiarrhythmic medication

Identifies the location of abnormal sites within cardiac muscle

Treats certain arrhythmias through the process of ablation

Answer and Explanation

Correct Answer : B,C,D,E

A. Facilitates the insertion of a pacemaker: This is not the purpose of an electrophysiology study (EPS). A pacemaker may be considered based on the results, but EPS itself does not insert the device.

B. Assesses the function of the SA node: EPS is used to assess the electrical activity of the heart, including the function of the SA node.

C. Evaluates the effectiveness of prescribed antiarrhythmic medication: EPS can help evaluate how well antiarrhythmic medications are controlling arrhythmias.

D. Identifies the location of abnormal sites within cardiac muscle: EPS is often used to locate areas of the heart responsible for abnormal electrical conduction and arrhythmias.

E. Treats certain arrhythmias through the process of ablation: One of the therapeutic purposes of EPS is to perform ablation, which can treat certain arrhythmias by destroying abnormal tissue.

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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.

A. Troponin B. Alkaline phosphatase C. Creatine kinase D. Myoglobin

Correct Answer is A

Explanation

A. Troponin: Troponin is the most specific and reliable biomarker for myocardial injury. Levels rise within 3-6 hours and remain elevated for days, providing diagnostic and prognostic information.

B. Alkaline phosphatase: This is related to liver and bone disorders, not cardiac events.

C. Creatine kinase (CK): While CK-MB is specific to cardiac tissue, it is less specific and remains elevated for a shorter period compared to troponin.

D. Myoglobin: Myoglobin is an early but nonspecific marker of muscle damage and is not as reliable for diagnosing myocardial injury.

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The nurse is preparing a client for an electrophysiology procedure. What statements would the nurse include when explaining this procedure to a client? Select All That Apply

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Naxlex Comprehensive Predictor Exams

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