Learn about antiarrhythmic drugs in this comprehensive pharmacology video. Explore the cardiac conduction system, mechanisms of arrhythmias, and the Vaughan-Williams classification of antiarrhythmic medications. Discover how different classes of drugs work to treat abnormal heart rhythms, including atrial fibrillation, atrial flutter, and ventricular tachycardia. Gain insights into specific medications such as Procainamide, Lidocaine, Propranolol, Amiodarone, and Digoxin. Understand the basics of ECG, cardiac cell types, pacemaker potentials, and various arrhythmia types. Perfect for medical students, pharmacology enthusiasts, and healthcare professionals seeking a clear explanation of antiarrhythmic pharmacology.