Quinidine has the following action on electrophysiological properties of the heart except: A. Decreases automaticity of Purkinje fibres B. Abolishes after depolarizations C. Prolongs refractory period of atrial fibres D. Decreases membrane responsiveness of atrial and ventricular fibres

Quinidine has the following action on electrophysiological properties of the heart except:
A. Decreases automaticity of Purkinje fibres
B. Abolishes after depolarizations
C. Prolongs refractory period of atrial fibres
D. Decreases membrane responsiveness of atrial
and ventricular fibres
by

1 Answer

Answer :

B. Abolishes after depolarizations
by

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