Emergency treatment for cocaine toxicity seeks to stabilize?

HPSSC Staff Nurse - 2021

Pharmacology

Hard

Appeared in: HPSSC Staff Nurse - 2021

Explanation

Cocaine is a powerful sympathomimetic that causes a toxidrome affecting multiple organ systems simultaneously.
Cardiovascular effects, including severe hypertension, tachycardia, and arrhythmias, require immediate stabilization to prevent myocardial infarction or stroke.
Life-threatening hyperthermia develops from increased metabolic activity and vasoconstriction, necessitating rapid cooling to prevent brain damage and organ failure.
Rhabdomyolysis (muscle breakdown) resulting from hyperthermia and agitation can lead to myoglobinuria and acute kidney injury, making renal protection a critical goal.
Because all three systems are critically affected, emergency treatment must be comprehensive and aim to stabilize heart functioning, body temperature, and kidney functioning.

Option A: This is incomplete. While stabilizing kidney function is crucial to prevent failure from rhabdomyolysis, the immediate life-threatening risks are often cardiac arrest and hyperthermia-induced brain damage.
Option B: This is incomplete. While severe hyperthermia is a major cause of morbidity and mortality, the acute cardiovascular strain (e.g., myocardial infarction, arrhythmia) is an equally immediate threat that must be managed.
Option C: This is incomplete. While cardiac complications are a leading cause of death in cocaine toxicity, failing to control hyperthermia can exacerbate cardiac stress and lead to irreversible neurological damage and rhabdomyolysis.

Clinical Relevance

Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Management of Cocaine Toxicity in acute care settings.
The nursing priority for a patient with cocaine toxicity is to manage ABCs (Airway, Breathing, Circulation), establish IV access, and apply continuous cardiac, temperature, and oxygen saturation monitoring.
Key nursing interventions include administering benzodiazepines (e.g., diazepam, lorazepam) as ordered to control agitation and seizures, which also helps lower heart rate, blood pressure, and temperature. Rapid external cooling measures (ice packs to axillae/groin, cooling blankets) are critical.
Nurses must anticipate the need for aggressive IV fluid resuscitation to maintain urine output and prevent acute kidney injury from rhabdomyolysis.

How to Approach the Question

First, identify the keywords in the question: "Emergency treatment," "cocaine toxicity," and "stabilize."
Recall the pharmacological class of cocaine: it is a potent sympathomimetic agent, meaning it stimulates the sympathetic ('fight or flight') nervous system.
Consider the systemic effects of massive sympathetic stimulation. This will impact multiple organ systems, not just one. Think about the heart (tachycardia, hypertension), temperature regulation (hyperthermia), and secondary effects on other organs like the kidneys.
Evaluate the options. Options A, B, and C each list a single, valid target of treatment. However, because cocaine toxicity is a multi-system crisis, each of these options is incomplete on its own.
Recognize that Option D, "All of these," encompasses the full scope of emergency management. In toxicology questions where a substance has widespread effects, an "all of the above" option is often the most comprehensive and correct choice.
Select the most inclusive answer that reflects the multi-organ approach required for treatment.

Concept Tested & Keywords

Concept Tested: Management of Cocaine Toxicity
Stem keywords: Emergency treatment, cocaine toxicity, stabilize
Lead-in keywords: BEST, MOST RELEVANT CLUE
Clinical cues: The care setting changes urgency, monitoring level, and the expected nursing action.

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