Heart Medications: Antiarrhythmic Agents, Part I provides an overview and discussion of the electrical properties of the heart as they relate to arrhythmias, which are abnormalities of heart rate or rhythm. The goal of this program is to define and discuss the various electrical properties of the heart. The information provided here is designed to aid an understanding of arrhythmias, as well as their causes and treatments. A thorough knowledge of these conditions is essential to providing proper care for heart patients. | 
