Certified Addictions Registered Nurse (CARN) Exam Practice Guide 2025 – Your Comprehensive Resource for Certification Success!

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What type of lesions contraindicate the use of electroconvulsive therapy due to their potential to damage adjacent brain tissue?

Neoplastic lesions

Occupying lesions

Using electroconvulsive therapy (ECT) in patients with occupying lesions is contraindicated due to the risk they pose to surrounding brain tissue. Occupying lesions, which may include tumors or other mass effects, can displace or distort normal brain structures. Administering ECT might exacerbate the pressure on these structures or lead to additional brain injury during the convulsion induced by the therapy.

In contrast, while neoplastic lesions and cerebral aneurysms also pose risks, the direct implications on surrounding brain tissue during ECT are more critical with occupying lesions, making them particularly concerning. Ischemic lesions, resulting from insufficient blood flow, present their own set of risks, but do not inherently cause the same displacement of brain structures as occupying lesions do, which is why the latter is highlighted in this context.

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Cerebral aneurysms

Ischemic lesions

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