Advanced Cardiovascular Life Support (ACLS) Practice Exam

What is the maximum total dosage of atropine that can be administered for symptomatic bradycardia?

1. 2 mg

2. 5 mg

3. 3 mg

4. 4 mg

The correct answer is: 3 mg

In the management of symptomatic bradycardia, atropine is the first-line medication used to increase heart rate. The maximum total dosage of atropine that can be administered is 3 mg. When treating bradycardia, it is important to administer atropine in 0.5 mg doses every 3 to 5 minutes, up to a maximum total dose of 3 mg. This dosing strategy is based on the need to gradually increase heart rate in patients who are experiencing significant symptoms due to slow heart rhythms. Administering doses beyond 3 mg does not significantly enhance the therapeutic effect and could potentially lead to adverse effects. Therefore, the 3 mg limit is a crucial guideline to ensure patient safety while effectively managing bradycardic symptoms. This dosage consideration is critical for healthcare providers to remember during emergency situations involving bradycardia.