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A client asks the nurse to explain why she is receiving lidocaine (Xylocaine) in her IV when her dentist injects it into her gums to numb the teeth before a filling. The best response by the nurse is:

1. "The medication is more effective intravenously, and you will feel no pain anywhere."
2. "As an IV medication, it will help you relax and rest, so your heart can heal."
3. "When given IV, this medication reduces the irritability of the cells in your heart, and helps reduce dysrhythmias."
4. "The medication will increase your urine output, so that you will be less likely to suffer from heart failure."


Lidocaine IV is used to treat ventricular dysrhythmias (premature ventricular contractions, ventricular tachycardia, and ventricular fibrillation), particularly in clients with a myocardial infarction. It is a class 1-A antiarrhythmic. The drug causes no anesthetic effect unless the client receives an overdose that is evidenced by a central nervous system deficit (paresthesias, confusion, and slurred speech). Lidocaine can cause drowsiness, but is not used for relaxation (option 2). It is not a diuretic (option 4). The question is asking for the nurse to tell the client why she is receiving the medication. Option 3 is the only answer that would directly answer the client s question. Knowledge of the classification and purpose of the medication will also assist in selecting the correct answer.


Member since: April 2011
(Boynton Beach,FL) Original question source

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Topics: Adult Health: Cardiovascular, Nursing Process: Implementation

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