A nurse is caring for a client who is taking digoxin for heart failure and develops indications of severe digoxin toxicity. Which of the following medications should the nurse prepare to administer?

Flumazenil

Acetylcysteine

Naloxone

Fab antibody fragments

Answer and Explanation

The Correct Answer is D

A) Flumazenil: Flumazenil is an antidote used to reverse the effects of benzodiazepines, which are central nervous system depressants. It is not effective in treating digoxin toxicity, as it does not interact with the cardiac glycoside effects of digoxin.

B) Acetylcysteine: Acetylcysteine is primarily used as an antidote for acetaminophen overdose and to help manage mucus in respiratory conditions. It has no effect on digoxin toxicity and would not be appropriate for treating this condition.

C) Naloxone: Naloxone is an opioid antagonist used to reverse the effects of opioid overdose. Like flumazenil and acetylcysteine, naloxone is not effective in addressing digoxin toxicity and does not counteract the effects of cardiac glycosides.

D) Fab antibody fragments: Fab antibody fragments, also known as Digoxin-specific antibody fragments (Digibind or DigiFab), are the appropriate treatment for severe digoxin toxicity. These fragments bind to digoxin, neutralizing its effects and allowing the body to eliminate it safely. This is the most effective and specific treatment for life-threatening digoxin toxicity.

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Correct Answer is A

Explanation

A) Catheter dislodgment:
Hearing a gurgling sound near the catheter insertion site may indicate that the catheter is partially dislodged. This dislodgment can cause air to enter the catheter or affect the proper flow of fluids. Immediate assessment and intervention are required to address the dislodgment and prevent complications such as air embolism.

B) Catheter rupture:
A catheter rupture would typically present with signs of leakage or blood in the surrounding area, rather than a gurgling sound. While a rupture is a serious complication, it does not usually cause a gurgling noise.

C) Catheter migration:
Catheter migration occurs when the catheter moves from its original position, which could lead to issues with catheter function or placement. However, migration is less likely to cause a gurgling sound and more likely to present with changes in catheter function or resistance during infusion.

D) Catheter occlusion:
Catheter occlusion usually presents with difficulty in infusing fluids or withdrawing blood, not a gurgling sound. An occlusion is characterized by blockage or reduced flow rather than an audible gurgling.

Correct Answer is ["0.5"]

Explanation

Calculating the Digoxin Dose

Problem: Administer 125 mcg of digoxin PO daily. The available concentration is 0.25 mg/tablet.

Steps:

Convert mcg to mg:

125 mcg x (1 mg / 1000 mcg) = 0.125 mg

Set up a proportion:

We want to find the number of tablets needed.

We know the desired dose (0.125 mg) and the concentration of the medication (0.25 mg/tablet).

Proportion:

x tablets / 0.125 mg = 1 tablet / 0.25 mg

Cross-multiply:

0.25x = 0.125

Solve for x:

x = 0.125 / 0.25

x = 0.5

Answer: The nurse should administer 0.5 tablets of digoxin per dose.

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A nurse is caring for a client who is taking digoxin for heart failure and develops indications of severe digoxin toxicity. Which of the following medications should the nurse prepare to administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a central venous catheter and reports hearing a gurgling sound on the side of the catheter insertion. Which of the following complications should the nurse suspect?

Correct Answer is A

Explanation

A nurse is caring for a client who has heart failure and a prescription for digoxin 125 mcg PO daily. Available is digoxin PO 0.25 mg/tablet. How many tablets should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.5"]

Explanation

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