Question 12 / 25:  Which of the following is false regarding Antiarrhythmic drugs?
A  Flecainide is a Class IC sodium channel blocker that has profound conduction slowing.
B  Lidocaine is a Class IB sodium channel blocker that has little conduction slowing
C  Procainamide is a Class IA sodium channel blocker that is used to treat SVT's
D  Lidocaine is a Class IC sodium channel blocker that prolongs the refractory period
E  Flecainide is only used in life threatening arrhythmias because it causes profound decrease
in conduction velocity.
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Explanation:

Lidocaine is a Class IB sodium channel blocker that shortens the refractory period

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