Florida State Paramedic Practice Exam

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What is the recommended energy level for defibrillating pulseless ventricular tachycardia?

100j, 200j, 300j
200j, 300j, 360j
150j, 250j, 400j
50j, 100j, 200j

The correct answer is: 200j, 300j, 360j

The recommended energy levels for defibrillating pulseless ventricular tachycardia are derived from guidelines that ensure the highest chances of successful conversion to a normal rhythm while avoiding potential damage to the heart. The levels of 200 joules, 300 joules, and 360 joules correspond to biphasic defibrillation protocols, which have been shown to be effective in achieving defibrillation with fewer shocks and better outcomes compared to older monophasic protocols. Starting at 200 joules allows for an initial, effective shock that conforms with the recommended settings to convert a chaotic rhythm. If the first shock is unsuccessful, escalating to 300 joules and then 360 joules is in line with standard practice, maximizing the energy delivered to effectively disrupt the abnormal electrical circuits causing the ventricular tachycardia. These recommendations are based on clinical studies that have identified these energy levels as optimal for defibrillation, which increases the likelihood of returning the patient's heart to a normal rhythm while minimizing the risk of injury or complications associated with insufficient energy levels.