Atropine sulfate is administered before Electroconvulsive therapy ?

RRB Nsg. Superintendent-21 July 2019 (Shift-2nd)

Pharmacology

Medium

Appeared in: RRB Nsg. Superintendent-21 July 2019 (Shift-2nd)

Explanation

Atropine is an anticholinergic medication used as a premedication for ECT.
Its primary function is to decrease salivary and respiratory secretions, which reduces the risk of aspiration during the procedure.
A secondary, but also critical, function is to block the effects of vagal stimulation, thereby preventing severe bradycardia (slow heart rate) that can be induced by the seizure.

Option A: Atropine does not have muscle relaxant properties.
Option B: Atropine is not an anxiolytic and does not reduce anxiety.
Option C: Atropine is not an anesthetic agent and does not induce unconsciousness.

Visual 1: Table: Create a table summarizing the three main classes of drugs used in ECT (Anticholinergics, Anesthetics, Muscle Relaxants), with examples and their specific purpose. This helps differentiate their roles clearly.

Clinical Relevance

Nursing practice connection: Safe nursing care depends on performing Pharmacology in Electroconvulsive Therapy (ECT) in the correct sequence, documenting the action clearly, and monitoring for the expected response.
The nurse's role includes administering atropine as prescribed and monitoring for its effects (e.g., dry mouth) and potential side effects (e.g., tachycardia, urinary retention).
Understanding the rationale for each medication in ECT is crucial for patient education and ensuring safety protocols, such as NPO status, are followed to prevent aspiration.
What if? If a patient has pre-existing narrow-angle glaucoma, atropine would be contraindicated as it can increase intraocular pressure. In such cases, another anticholinergic like glycopyrrolate, which does not cross the blood-brain barrier as readily, might be considered, or the use of an anticholinergic might be omitted if the risk is too high.

How to Approach the Question

First, identify the core components of the question: the drug (Atropine sulfate) and the clinical context (Electroconvulsive Therapy - ECT).
Recall the classification of Atropine. It is a classic anticholinergic agent.
Think about the physiological effects of anticholinergic drugs: they block the parasympathetic nervous system, leading to effects like drying of secretions, increased heart rate, and pupil dilation.
Consider the ECT procedure. It involves inducing a seizure under anesthesia. What are the risks? Aspiration of secretions and cardiac arrhythmias (especially vagal-induced bradycardia).
Connect the drug's effects to the procedural risks. Atropine's ability to dry secretions directly addresses the risk of aspiration. Its ability to block vagal effects addresses the risk of bradycardia.
Evaluate the options based on this understanding. 'To reduce secretions' is a direct and primary indication. The other options describe the roles of different classes of drugs (muscle relaxants, anesthetics) used in ECT.

Concept Tested & Keywords

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