a) Describe, with the aid of a diagram, the function of the conducting system of the heart.

[answerhappygod]

a) Describe,
with the aid of a diagram, the function of the conducting system of
the heart.


(10marks)
b) Define the terms
arrhythmia, bradycardia, supraventricular tachycardia, and
ventricular fibrillation.


(7 marks)
c) List the classes
of antiarrhythmic
drugs.

(7 marks)
d) Describe the
action of Class I antiarrhythmic drugs, including in your answer
the concept of use-dependent block.