Which of the following statements is true of antiarrhythmic drugs?
A) Antiarrhythmic drugs that decrease the duration of Phase 0 of the cardiac action potential are the most effective therapeutically.
B) Most antiarrhythmic drugs exert their major antiarrhythmic action on a specific phase of the action potential.
C) Very few antiarrhythmic drugs have the potential to make any existing arrhythmia worse.
D) Antiarrhythmic drugs that reduce the durations of Phases 1-3 of the cardiac action potential produce effective antiarrhythmic actions.
Correct Answer:
Verified
Q1: Identify an accurate statement about arrhythmias.
A) Arrhythmias
Q2: During Phase 2 of the cardiac action
Q3: _ is an adverse syndrome produced by
Q4: Which of the following is an example
Q6: Antiarrhythmic drugs produce effective antiarrhythmic actions by:
A)
Q7: Identify an accurate statement about disopyramide.
A) Disopyramide
Q8: Counting the number of QRS waves in
Q9: Ectopic foci are often caused due to:
A)
Q10: Which of the following is true of
Q11: The excessive prolongation of the QT interval
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