VAUGHN WILLIAMS CLASSIFICATION

Question 1

class I

Answer 1

sodium channel blocker
sub classes
-Ia,Ib,Ic

Question 2

class II

Answer 2

beta blockers

Question 3

class III

Answer 3

potassium channel blockers

Question 4

class IV

Answer 4

calcium channel blockers

• non dihydropyridines
• verapamil and diltiazem

Question 5

other important ones?

Answer 5

digoxin and adenosine