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Chapter 34: Problem 32

A client who takes digoxin (Lanoxin) at home has presented with a digoxin level of \(4 \mathrm{ng} / \mathrm{mL}\) and a heart rate of 38 . What is the priority nursing action? A. Set up the client for external pacing. B. Administer Atropine \(1 \mathrm{mg}\) IV. C. Administer Digibind \(228 \mathrm{mg}\) IV. D. Assess the client for visual changes and nausea/ vomiting.

Short Answer

Expert verified
The priority action is to administer Digibind 228 mg IV.

Step by step solution

01

- Interpret Digoxin Level

A digoxin level of 4 ng/mL is significantly higher than the therapeutic range, which is typically between 0.5 to 2 ng/mL. This indicates digoxin toxicity.
02

- Assess Heart Rate

The client's heart rate is 38 beats per minute. A normal resting heart rate for adults is typically between 60-100 beats per minute. A heart rate of 38 indicates bradycardia, which can be a symptom of digoxin toxicity.
03

- Determine Priority of Actions

Given that the digoxin level is toxic and the heart rate is critically low, the priority is to address the immediate life-threatening symptoms of digoxin toxicity. This would include treating both the high digoxin level and the bradycardia.
04

- Evaluate Options

A. Set up for external pacing: This may be necessary but is not the first action.B. Administer Atropine: This treats bradycardia but not the underlying digoxin toxicity.C. Administer Digibind: This directly addresses the digoxin toxicity.D. Assess visual changes/nausea: This is important for confirming toxicity but does not address the critical symptoms.
05

- Prioritize the Correct Action

The priority is to administer Digibind to reverse the digoxin toxicity, thereby addressing both the toxic level and the bradycardia. Therefore, the correct action is option C: Administer Digibind 228 mg IV.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

digoxin toxicity
Digoxin is a medication used to treat heart conditions such as atrial fibrillation and heart failure. However, it requires careful monitoring due to its narrow therapeutic range. A digoxin level of 4 ng/mL is significantly higher than the therapeutic range of 0.5-2 ng/mL. This excessive level indicates digoxin toxicity, which can lead to serious symptoms. Common signs of toxicity include:
  • Nausea and vomiting
  • Visual disturbances like seeing halos
  • Confusion
  • Irregular heartbeats

Immediate intervention is crucial to prevent life-threatening conditions.
bradycardia management
Bradycardia is a slower than normal heart rate, typically defined as fewer than 60 beats per minute in adults. In the given exercise, the patient's heart rate is dangerously low at 38 beats per minute. This can lead to inadequate blood flow to the body, causing symptoms like dizziness, weakness, and fainting. Bradycardia is often a symptom of digoxin toxicity. To manage bradycardia:
  • Investigate and treat underlying causes: In this case, addressing digoxin toxicity is crucial.
  • Medications like atropine can temporarily increase heart rate, but do not treat the underlying toxicity.
  • In severe cases, temporary pacing may be considered to stabilize the patient's heart rate.
nursing interventions for cardiac patients
Cardiac patients require careful nursing interventions to manage their conditions effectively. Key nursing interventions include:
  • Monitoring vital signs regularly to detect any changes in heart rate, blood pressure, and respiratory rate.
  • Administering prescribed medications accurately and monitoring for side effects.
  • Educating patients about their medications, including the importance of adherence and potential side effects to watch for.
  • Assessing for signs and symptoms of complications, such as digoxin toxicity in patients taking digoxin.
  • Providing timely interventions, such as administering antidotes like Digibind for digoxin toxicity.
Nurses play a vital role in the early identification and management of complications in cardiac patients.
prioritization in nursing care
Prioritization is a critical skill in nursing, especially when dealing with potentially life-threatening conditions. In the scenario provided, the patient's immediate life-threatening symptoms need to be addressed first. To prioritize effectively:
  • Assess the severity of symptoms: A digoxin level of 4 ng/mL and a heart rate of 38 highlight a severe condition requiring immediate action.
  • Identify the most urgent interventions: Administer Digibind to reverse the toxicity, as it tackles the root cause of both the bradycardia and the elevated digoxin level.
  • Secondary measures: Other actions like monitoring for visual changes and setting up for pacing may follow, but addressing the primary toxicity is essential.
Effective prioritization ensures the patient's critical symptoms are managed promptly, leading to better outcomes.

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