What is the absolute contraindication for ECT?

DSSSB -28 August 2019 (Shift-2)

Mental Health Nursing

Easy

Appeared in: DSSSB -28 August 2019 (Shift-2)

Explanation

Raised Intracranial Pressure (ICP).
ECT induces a generalized seizure, which transiently increases cerebral blood flow and intracranial pressure.
In a patient with pre-existing elevated ICP (e.g., from a space-occupying lesion like a tumor or hemorrhage), this ECT-induced pressure spike can lead to catastrophic brain herniation.
Therefore, raised ICP is considered the only absolute contraindication, as the risk of a fatal outcome is unacceptably high.

Option B: Organic mood disorders are not a contraindication; in fact, they can be an indication for ECT, especially if severe or treatment-refractory.
Option C: Liver disorders are a relative contraindication, not an absolute one. It means ECT can be performed but requires caution, such as adjusting anesthetic agents that are metabolized by the liver.
Option D: Severe psychosis is a primary indication for ECT, not a contraindication. It is used for conditions like treatment-resistant schizophrenia, severe mania, and catatonia.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Contraindications for Electroconvulsive Therapy (ECT) as background academic context rather than a clinical decision trigger.
A nurse's primary role in pre-ECT assessment includes a thorough neurological check. Any new or worsening headache, changes in level of consciousness, or new focal neurological deficits must be reported immediately as they could indicate raised ICP.
Patient education is crucial. Nurses must be able to explain the risks and benefits, including clarifying that while modern ECT is very safe, this specific risk (raised ICP) is why a thorough pre-procedure evaluation is done.
What if? A patient scheduled for ECT reports a new, severe 'thunderclap' headache. The nurse must withhold the procedure, notify the psychiatrist and anesthesiologist immediately, and advocate for urgent neurological imaging to rule out a subarachnoid hemorrhage, which would cause a rapid rise in ICP and make ECT absolutely contraindicated.

How to Approach the Question

First, identify the core question: it asks for an 'absolute contraindication' for ECT.
Understand the term 'absolute contraindication'. This means a condition under which the procedure must NOT be performed under any circumstances because the risk is too high.
Analyze the options in the context of ECT's mechanism. ECT works by inducing a seizure.
Recall or deduce the physiological effects of a seizure: it dramatically increases metabolic demand, blood flow, and pressure within the brain.
Evaluate each option: Which condition would be made life-threateningly worse by a sudden spike in intracranial pressure? Raised ICP is the only one that fits this criterion directly.
Eliminate the other options by recognizing them as either indications (severe psychosis, organic mood disorders) or relative contraindications (liver disorders) that require management but do not forbid the procedure entirely.

Concept Tested & Keywords

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E6 Guide to Mental Health & PSYCHIATRIC NURSING R Sreevani— Part 1 (pp 26-289 of 579) p. 141-143

E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) pp. 2310-2312, 2302-2304