Catecholamine extravasation can induce severe gangrene and overdose of catecholamine can trigger a hypertensive crisis. Which of the following β-blockers can be used as an antidote... Catecholamine extravasation can induce severe gangrene and overdose of catecholamine can trigger a hypertensive crisis. Which of the following β-blockers can be used as an antidote against catecholamines extravasation? A) Prazosin B) Tamsulosin C) Phenotolamine D) Terazosin E) Clonidine
Understand the Problem
The question is asking which β-blockers can be used as an antidote against catecholamines extravasation, indicating a situation requiring knowledge of pharmacology and drug classification.
Answer
Phenotolamine
The final answer is Phenotolamine.
Answer for screen readers
The final answer is Phenotolamine.
More Information
Phenotolamine is a non-selective alpha blocker, often used to treat and reverse the effects of catecholamine extravasation by promoting vasodilation.
Tips
A common mistake is assuming that β-blockers are used directly for extravasation treatment, but it's actually non-selective alpha blockers like phenotolamine that are effective.
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