epinephrine decrease rhythmicity of SA nede

K favor .......while ca favor .......

Excess acidity increas rythmicity

the resting membrane potential of pace maker ?

the lesser resting membrane potential of pace maker is because of ...........?

During absolute refractory period of cardiac AP which stimulus can cause excitation?

The portion of conductive system that have highest rhythmicity

If not for large quantities of Ca defusing into the cardiac cells the contraction would be

About the pacemaker potential, all the following is true EXCEPT:

This is pace maker potential

Normally occurs in AV Node

Due to SA Node has the slowest rhythmicity

Coronary arteries are branch of

The pace maker of conducting system. Of the heart is

the rythmicity of S-A node ?

all of the following are from properties of cardiac muscle EXCEPT ?

the resting membrane potetial of cardiac muscle is ............?