When teaching a client about nitroglycerine therapy, the nurse should include importance of:

Appeared in: IGNOU PB Bsc Entrance-2022

Explanation

Nitroglycerin is chemically unstable and highly sensitive to degradation from light, heat, and moisture.
To maintain its potency and ensure it is effective during an acute angina attack, it must be stored in its original dark-colored (amber) glass container.
Exposure to environmental factors can rapidly reduce the drug's effectiveness, making proper storage a critical patient safety instruction.

Option A: This instruction is incorrect and unsafe. There is no daily limit of five tablets; the focus is on acute management.
Option B: Headache is the most common side effect of nitroglycerin due to vasodilation and is an expected finding. It indicates the medication is working.
Option D: Dizziness is a sign of hypotension (low blood pressure), a common side effect. Increasing the dose would dangerously lower the blood pressure further.

Clinical Relevance

Nursing practice connection: Use the key finding related to Patient education for nitroglycerin therapy to guide bedside assessment, documentation, and the next nursing action.
Effective patient education on nitroglycerin is a critical nursing responsibility that directly impacts patient safety and treatment outcomes for angina.
Misunderstanding storage, dosing, or side effect management can lead to ineffective treatment during a cardiac event or cause serious harm from overdose or unmanaged side effects.
What if the patient was prescribed a nitroglycerin transdermal patch instead? The teaching would shift to site rotation, applying the patch for 12-14 hours followed by a 10-12 hour nitrate-free period to prevent tolerance, and proper disposal of used patches.

How to Approach the Question

First, identify the core concept: patient teaching for nitroglycerin.
Evaluate each option based on the known pharmacological properties and safety profile of nitroglycerin.
Ask yourself for each option: 'Is this instruction safe and consistent with standard nursing practice?'
Option A (dosing): Recall the '1 tablet every 5 minutes for 3 doses' rule. This option contradicts it.
Option B (headache): Recall that headache is a very common, expected side effect. Discontinuing is incorrect.
Option C (storage): Recall that nitroglycerin is unstable. Protecting it from light is a key storage principle.

Concept Tested & Keywords

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E6 Pharmacology Nursing Lilley 11e Part 2 p. 64-66

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Attempt every question from this paper in a timed mock, then review the full solution for each one.