Pharmacology Antiarrhythmic classification into class1a,1b,1c,2,3,4,5 were given by: A Vaughan Williams B Ramnath chopra C Oswald D David sackett 💡 Explanation Antiarrhythmic classification into class1a,1b,1c,2,3,4,5 were given by: ✓ Correct Answer: A. Vaughan Williams