The nurse is preparing to administer digoxin (Lanoxin) to a client experiencing atrial fibrillation. Which of the following electrolyte imbalances would the nurse assess to reduce the incidence of toxicity with digoxin (Lanoxin)?

hypocalcemia

hypokalemia

hyperkalemia

hypernatremia

Answer and Explanation

The Correct Answer is B

A. Hypocalcemia is not directly linked to digoxin toxicity; rather, it is more associated with calcium channel blockers.

B. Hypokalemia increases the risk of digoxin toxicity, as low potassium levels can enhance the effects of digoxin on the heart.

C. Hyperkalemia is not directly associated with toxicity; however, it can cause complications in patients taking digoxin.

D. Hypernatremia does not have a direct impact on digoxin toxicity; monitoring potassium levels is more critical.

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Correct Answer is C

Explanation

A. Atenolol is a beta-blocker used for various cardiac conditions but is not typically the first-line treatment for acute ventricular dysrhythmias.

B. Lisinopril is an ACE inhibitor, which is not indicated for immediate management of ventricular dysrhythmias.

C. Procainamide is an antiarrhythmic medication specifically used to treat ventricular dysrhythmias and would be appropriate in this scenario.

D. Adenosine is typically used for rapid atrial dysrhythmias, not specifically for ventricular dysrhythmias, making procainamide the better choice.

A. Pulse oximetry of 92% B. Respiratory rate of 12 C. History of an myocardial infarction a week ago D. Pulse of 78

Correct Answer is D

Explanation

A. A pulse oximetry of 92% indicates potential hypoxia but is not a direct contraindication for administering verapamil.

B. A respiratory rate of 12 is not an immediate concern for verapamil; it is considered a normal rate in many cases.

C. A recent history of myocardial infarction does not automatically contraindicate verapamil but should be assessed in the context of the client’s overall health and physician’s orders.

D. A pulse of 78 is within a normal range; however, if the pulse were significantly low (e.g., below 60 bpm), verapamil would generally be held due to its potential to further decrease heart rate.

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The nurse is preparing to administer digoxin (Lanoxin) to a client experiencing atrial fibrillation. Which of the following electrolyte imbalances would the nurse assess to reduce the incidence of toxicity with digoxin (Lanoxin)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client presents to the emergency healthcare setting and diagnosed with a life-threatening ventricular dysrhythmia. Which of the following medications would the nurse begin to prepare?

Correct Answer is C

Explanation

A client presents to the healthcare setting and ordered verapamil (Calan) to treat his hypertension. Which assessment finding by the nurse would determine if the medication should be held?

Correct Answer is D

Explanation

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