OSSSC Nursing Officer-2021
Mental Health Nursing
Easy
The sequence of administration of medications in anesthesia for ECT is:
Appeared in: OSSSC Nursing Officer-2021
Explanation
- The standard procedure for modified ECT involves a specific three-step medication sequence to ensure patient safety and comfort.
- First, an anticholinergic like Atropine is given to reduce secretions and prevent bradycardia, a potential side effect of the procedure and other medications.
- Second, a short-acting anesthetic like Thiopentone or Methohexital is administered to induce unconsciousness, ensuring the patient is unaware of the procedure.
- Third, after unconsciousness is confirmed, a muscle relaxant like Succinylcholine is given to prevent musculoskeletal injuries from the induced seizure.
- This sequence ensures the patient does not experience the distressing effects of muscle paralysis while conscious.
Why Other Options Were Wrong
- Option B: This sequence is incorrect and dangerous because it administers the muscle relaxant (Succinylcholine) before the anesthetic (Thiopentone).
- Option C: This sequence is incorrect. It starts with a muscle relaxant (Atracurium) before anesthesia, which is unsafe. It also incorrectly places the anticholinergic (Atropine) last.
- Option D: This sequence is incorrect because the muscle relaxant (Succinylcholine) is administered before the anesthetic (Thiopentone).
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Medication sequence for Electroconvulsive Therapy (ECT) as background academic context rather than a clinical decision trigger.
- The correct medication sequence in ECT is a critical patient safety measure. Administering a muscle relaxant to a conscious patient can cause severe psychological trauma and is considered a major medical error.
- Nurses play a vital role in preparing the medications, ensuring the correct drugs are available, and monitoring the patient's response throughout the procedure, including vital signs and oxygen saturation.
- What if? If a patient has a known history of pseudocholinesterase deficiency, succinylcholine would be contraindicated. Its metabolism would be impaired, leading to prolonged paralysis and apnea. An alternative non-depolarizing muscle relaxant like atracurium would be used instead, but still only after anesthesia is induced.
How to Approach the Question
- First, identify the core of the question, which is the correct order of medications for ECT.
- Recall the purpose of each class of medication used: anticholinergics (reduce secretions/prevent bradycardia), anesthetics (induce unconsciousness), and muscle relaxants (prevent injury).
- Apply a logical, safety-first approach. The patient must be unconscious before they are paralyzed. Therefore, the anesthetic must come before the muscle relaxant.
- Consider the preparatory step. Reducing secretions with an anticholinergic is done first to prevent aspiration during the procedure.
- Combine these steps: 1st (Prepare/Protect) -> 2nd (Induce Unconsciousness) -> 3rd (Induce Paralysis).
- Evaluate the options based on this logical sequence. Only one option will match this safe and standard protocol.
Concept Tested & Keywords
- Concept Tested: Medication sequence for Electroconvulsive Therapy (ECT)
- Stem keywords: sequence of administration, medications, anesthesia, ECT
- Lead-in keywords: sequence
- Negative lead-in flag: false
Question ID
QBd3q3EC1WEg2IohqoB52q
Reference Book
E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) pp. 2303-2305, 2304-2306
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 11191-11193
Practise the full OSSSC Nursing Officer-2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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