Which is the correct path of an electrical excitation from the pacemaker to a cardiomyocyte in the left ventricle (LV)?
A. Atrioventricular (AV) node ? sinoatrial (SA) node ? atrioventricular (AV) bundle ? Subendothelial conducting network ? cardiomyocyte in LV
B. Sinoatrial (SA) node ? atrioventricular (AV) node ? atrioventricular (AV) bundle ? Subendothelial conducting network ? cardiomyocyte in LV
C. Sinoatrial (SA) node ? atrioventricular (AV) node ? Subendothelial conducting network ? atrioventricular (AV) bundle ? cardiomyocyte in LV
D. Atrioventricular (AV) node ? subendothelial conducting network ? atrioventricular (AV) bundle ? sinoatrial (SA) node ? cardiomyocyte in LV
E. Sinoatrial (SA) node ? atrioventricular (AV) bundle ? atrioventricular (AV) node ? Subendothelial conducting network ? cardiomyocyte in LV
Answer: B
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