The most significant feature of the antiarrhythmic action of is:
A) Suppression of phase-4 depolarization in ventricular ectopic foci
B) Prolongation of action potential duration
C) Prolongation of effective refractory period
D) Depression of membrane responsiveness
Correct Answer:
Verified
Q1: Glyceryl trinitrate is administered by the following
Q2: Myocardial Na+ channel blockade by lignocaine has
Q3: Hypothyroidism is a possible consequence of prolonged
Q4: The following is true of procainamide except:
A)It
Q6: Quinidine is now used primarily for:
A)Conversion of
Q7: The following antiarrhythmic drug has the most
Q8: The following is not true about :
A)It
Q9: Beneficial effect/effects of diuretics in CHF patients
Q10: Glyceryl trinitrate is used in CHF for:
A)Routine
Q11: Vasodilators are used to treat:
A)Acute heart failure
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