Card 19 / 29: Which is false regarding amiodarone?
A)
blocks sodium channels thereby decreasing conduction velocity
B)
do not affect sodium channels and does not decrease conduction velocity
C)
can "break " the reentrant circuit and allow the SA node to take over
D)
can induce arrhythmia because it can prolong action potentials
E)
is a Class III antiarrhythmic drug that predominantly blocks K+channels thereby prolonging the action potential
Answer:
A) blocks sodium channels thereby decreasing conduction velocity
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