What is the correct path of an electrical excitation from the pacemaker to a cardiocyte in the left ventricle (LV)?

A. Sinoatrial (SA) node > atrioventricular (AV) bundle > atrioventricular (AV) node > Purkinje fibers > cardiocyte in LV
B. Atrioventricular (AV) node > Purkinje fibers > atrioventricular (AV) bundle > sinoatrial (SA) node > cardiocyte in LV
C. Atrioventricular (AV) node > sinoatrial (SA) node > atrioventricular (AV) bundle > Purkinje fibers > cardiocyte in LV
D. Sinoatrial (SA) node > atrioventricular (AV) node > atrioventricular (AV) bundle > Purkinje fibers > cardiocyte in LV
E. Sinoatrial (SA) node > atrioventricular (AV) node > Purkinje fibers > atrioventricular (AV) bundle > cardiocyte in LV


D. Sinoatrial (SA) node > atrioventricular (AV) node > atrioventricular (AV) bundle > Purkinje fibers > cardiocyte in LV

Anatomy & Physiology

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