True statement regarding purkinje fibres: September 2009, March 2013
Ans. C: Have conduction velocity of four times than that of the hea muscle Conduction rate is 4 m/s in purkinje fibers whereas it is 1 m/s in ventricular muscles, atrial pathways and Bundle of His. SA Node and AV Node has a conduction speed of 0.05 m/s