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What is the initial action for a hyperthermic patient presenting with sinus bradycardia that changes to ventricular fibrillation?
Administer epinephrine
Start chest compressions
Defibrillation
Provide supplemental oxygen
The correct answer is: Defibrillation
In the scenario presented, a hyperthermic patient experiencing sinus bradycardia that transitions to ventricular fibrillation requires immediate defibrillation. Ventricular fibrillation is a life-threatening arrhythmia characterized by chaotic electrical activity in the heart, leading to ineffective pumping and loss of blood circulation. The primary initial action in this critical situation is to reset the heart’s rhythm through defibrillation. This process involves delivering a therapeutic dose of electrical energy to the heart to restore a normal rhythm. Defibrillation is typically the most effective intervention in cases of ventricular fibrillation, making it crucial for the continuation of blood flow and the prevention of further complications or loss of life. While other options such as administering epinephrine, providing supplemental oxygen, and starting chest compressions are important components of resuscitation in different contexts, they do not take precedence over defibrillation when a patient presents with ventricular fibrillation. In this scenario, rapid defibrillation is essential to improve the chances of survival.