Cardiac Conduction and Blood Flow

Question 1

Normal electricity pathway

Answer 1

SA node to AV node, down the bundle of his and right/left bundle branches, and ends in the Purkinje fibers

Question 2

SA node rate

Answer 2

80-100

Question 3

AV node rate

Answer 3

40-60

Question 4

Purkinje fibers rate

Answer 4

20-40

Question 5

Blood Flow

Answer 5

Inferior and superior vena cava bring blood to right atrium
Right atrium to right ventricle thru tricuspid valve
Right ventricle thru pulmonic valve to pulmonary arteries
Pulmonary veins to left atrium
Left atrium to the left ventricle through mitral valve
Left ventricle to body through aortic valve