SJH Nursing Officer - 2019
Mental Health Nursing
Medium
A neuromuscular blocking agent is administered to a client before ECT therapy. The Nurse should carefully observe the client for?
Appeared in: SJH Nursing Officer - 2019
Explanation
- Neuromuscular blocking agents (e.g., succinylcholine) are administered before ECT to cause profound muscle relaxation.
- This paralysis affects all skeletal muscles, including the diaphragm and intercostal muscles, which are essential for breathing.
- The direct result is a temporary period of apnea (cessation of breathing), making respiratory difficulties the most critical and immediate complication to monitor.
- The nursing priority is to ensure the patient's airway is managed and they are ventilated (usually with a bag-valve-mask) until spontaneous respiration returns.
Why Other Options Were Wrong
- Option B: Nausea and vomiting are more commonly associated with the anesthetic agents used in ECT, not the neuromuscular blocker. While it's a possible post-procedure side effect, it is not the primary life-threatening risk of the muscle relaxant.
- Option C: The client is under general anesthesia and is unconscious during the procedure. They would not be able to perceive or report feelings of dizziness.
- Option D: The purpose of ECT is to therapeutically induce a seizure. The neuromuscular blocker is administered to prevent the physical manifestations (convulsions) of that seizure, not to cause one.
Related Visual
Clinical Relevance
- Nursing practice connection: Safe nursing care depends on performing Side effects and nursing considerations for neuromuscular blocking agents in ECT in the correct sequence, documenting the action clearly, and monitoring for the expected response.
- The primary role of the nurse during ECT is patient safety, with airway management being the top priority after a muscle relaxant is given. The nurse must ensure that resuscitation equipment, including suction and oxygen, is immediately available.
- Continuous monitoring of oxygen saturation (SpO2) is non-negotiable. A drop in SpO2 is a late sign of hypoxia; the nurse must anticipate apnea and be ready to assist with ventilation.
- What if? If the patient has a rare condition called pseudocholinesterase deficiency, the effects of succinylcholine will be prolonged from a few minutes to several hours. This turns a brief, expected apnea into a prolonged respiratory emergency, underscoring the need for continuous vigilant monitoring and ventilatory support until muscle function returns.
How to Approach the Question
- First, identify the core subject of the question: the effect of a 'neuromuscular blocking agent' used in ECT.
- Recall the mechanism of action for this drug class: they cause paralysis of skeletal muscles.
- Connect the mechanism to vital physiological functions. Realize that the muscles of respiration (diaphragm, intercostals) are skeletal muscles.
- Therefore, predict the most immediate and life-threatening consequence of their paralysis: cessation of breathing, or respiratory difficulties.
- Evaluate the options based on this prediction. 'Respiratory difficulties' is a direct and expected effect. The other options are either side effects of other drugs (nausea), irrelevant in an unconscious patient (dizziness), or the intended therapeutic effect (seizure).
Concept Tested & Keywords
- Concept Tested: Side effects and nursing considerations for neuromuscular blocking agents in ECT.
- Stem keywords: neuromuscular blocking agent, ECT therapy, observe
- Lead-in keywords: carefully observe
Question ID
QOBKJunbjKrdwynuWt93pi
Reference Book
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 11193-11195
E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) pp. 2303-2305, 2304-2306
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