**Question:** Which of the following is not used in delirium

A. Antipsychotics
B. Benzodiazepines
C. Electroconvulsive therapy (ECT)
D. Anxiolytics

**Core Concept:** Delirium is a neuropsychiatric syndrome characterized by acute cognitive dysfunction, altered consciousness, and fluctuating symptoms. It is often caused by an underlying medical condition or substance intoxication. Treatment options aim to address the underlying cause and manage symptoms.

**Why the Correct Answer is Right:** Electroconvulsive therapy (ECT) is not used in the management of delirium, as it is primarily used for treatment-resistant major depressive episodes and bipolar disorder. Since delirium is a separate entity and is typically managed with specific medications, ECT is not applicable in this context.

**Why Each Wrong Option is Incorrect:**

A. Antipsychotics: These medications are often used in the management of delirium due to their ability to reduce psychotic symptoms and agitation in patients with delirium. They work by blocking dopamine D2 receptors, which can be helpful in treating agitation and psychotic symptoms in delirium.

B. Benzodiazepines: These medications are also used in the management of delirium, particularly for sedation and amelioration of agitation. They work by binding to the GABAA receptors and increasing their sensitivity, leading to reduced neuronal activity and sedation.

C. Anxiolytics are a class of medications primarily used for the management of anxiety disorders, not delirium. They work by modulating the GABAergic system, enhancing the inhibitory neurotransmission and reducing anxiety.

D. Anxiolytics: Similar to benzodiazepines, anxiolytics are used for the management of anxiety disorders, not delirium. They modulate the GABAergic system, enhancing inhibitory neurotransmission and reducing anxiety.

**Clinical Pearl:** A thorough evaluation of the patient presenting with delirium should include identifying the underlying cause(s) and using appropriate medications to manage the symptoms. In some cases, a combination of antipsychotics and benzodiazepines may be used for treating delirium. However, the provided options focus on the management of psychological symptoms and do not address the management of the underlying cause of delirium.

**Correct Answer Line:** Electroconvulsive therapy (ECT) is incorrect because it is primarily used for the treatment of mood disorders and is not a treatment option for delirium. Antipsychotics, benzodiazepines, and anxiolytics are all used for the management of psychological symptoms in delirium, but they should not be confused with the management of delirium itself. The correct management of delirium involves addressing the underlying cause(s) and using medications to manage the symptoms, primarily antipsychotics and benzodiazepines, although anxiolytics also have a role in managing anxiety symptoms.