Final answer:
The recommended first intravenous dose of Amiodarone for a patient with refractory ventricular fibrillation is 300 mg (Option A).
Step-by-step explanation:
The recommended first intravenous dose of Amiodarone for a patient with refractory ventricular fibrillation is 300 mg (Option A).
Amiodarone is an antiarrhythmic medication that is used to treat life-threatening ventricular arrhythmias such as refractory ventricular fibrillation. The initial high dose is administered to achieve a rapid therapeutic effect and stabilize the heart rhythm.
It is important to note that the administration of Amiodarone should be done under the supervision of a healthcare professional.