Florida State Paramedic Practice Exam

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What is the minimum dose of atropine administered for bradycardia treatment?

0.1mg
0.3mg
0.5mg
1.0mg

The correct answer is: 0.5mg

Atropine is commonly used as a first-line treatment for symptomatic bradycardia. The standard minimum dose recommended for adults is 0.5 mg. This dosage is appropriate because it effectively inhibits the vagus nerve, thereby increasing heart rate through its action as an anticholinergic agent. Administering 0.5 mg is sufficient to alleviate symptoms associated with low heart rates, such as dizziness or fatigue, and can be repeated every 3-5 minutes if necessary, up to a maximum total dose of 3.0 mg. This dosing strategy allows for tailored management of the patient's condition while considering safety and efficacy.