PGICH Noida NO-2025: Which of the following are first-line drugs for treating status epilepticus?

PGICH Noida NO-2025

Pharmacology

Easy

Appeared in: PGICH Noida NO-2025

Explanation

Benzodiazepines are the initial treatment of choice for status epilepticus due to their rapid onset of action.
They work by potentiating the effects of the inhibitory neurotransmitter GABA (gamma-aminobutyric acid) at the GABA-A receptor, which quickly suppresses seizure activity.
Commonly used benzodiazepines for this purpose include intravenous (IV) lorazepam, IV diazepam, and intramuscular (IM) midazolam.
While diazepam has a faster onset, lorazepam has a longer duration of action in the central nervous system, making it a frequent choice.

Option A: Selective serotonin reuptake inhibitors (SSRIs) are a class of antidepressants used to treat depression and anxiety disorders. They do not have anticonvulsant properties and are not indicated for status epilepticus.
Option C: Neuroleptics, also known as antipsychotics, are used to manage psychosis. Critically, they can lower the seizure threshold and are generally contraindicated in patients with seizure disorders, especially status epilepticus.
Option D: Monoamine oxidase inhibitors (MAOIs) are an older class of antidepressants. They have no role in the acute management of seizures and have numerous dietary and drug interactions.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain First-line pharmacological management of status epilepticus as background academic context rather than a clinical decision trigger.
A nurse's primary role during status epilepticus is to ensure patient safety (airway, breathing, circulation, and preventing injury) and administer first-line medications like lorazepam or diazepam promptly as ordered.
Continuous monitoring of vital signs, especially respiratory rate and oxygen saturation, is crucial, as benzodiazepines can cause respiratory depression and hypotension.
The nurse must accurately document the seizure's duration, characteristics, and the patient's response to medication, as this information is vital for the medical team.

How to Approach the Question

First, identify the key clinical condition in the question: 'status epilepticus'. Recognize this as a neurological emergency.
Next, focus on the specific requirement: 'first-line drugs'. This asks for the initial, most immediate treatment.
Recall the treatment algorithm for status epilepticus. The primary goal is rapid seizure termination.
Evaluate each drug class provided in the options based on their primary mechanism and indication.
Benzodiazepines are known for their rapid-acting sedative and anticonvulsant effects, making them the logical first choice.
Eliminate the other options: SSRIs, neuroleptics, and MAOIs are primarily used for psychiatric conditions and are not anticonvulsants.

Concept Tested & Keywords

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E6 Pharmacology Katzung 16e pp. 675-677, 680-682

E6 Guide to Mental Health & PSYCHIATRIC NURSING R Sreevani— Part 1 (pp 26-289 of 579) p. 137-139