Heart and EKG

Question 1

what two pathways does the circulation of blood happen ?

Answer 1

systemic and pulmonary circulation

Question 2

what does systemic circulation consist of?

Answer 2

arteries
arterioles
capillaries
venules and veins as a whole

Question 3

what does pulmonary circulation consist of ?

Answer 3

arteries
arterioles
capillaries
venules
and veins going to, within, and coming from the lungs

Question 4

what does the hearts own electrical conduction system do ?

Answer 4

the ecs’ keeps the hearts cardiac muscle contracting and blood flowing

the electricity can be mapped and analyzed to detect heart issues using a electrocardiogram ( EKG)

Question 5

where is the electrical impulse generated ?

Answer 5

it is generated by the sinoatrial (SA ) node. also called the pacemaker of the heart.

Question 6

From the SA node , where does the impulse travel to ?

Answer 6

it travels to the atrioventicular node, which is also called the gatekeeper

Question 7

what is the pacemaker of the heart ?

Answer 7

sinoatrial node ( SA) Node

Question 8

what is the gatekeeper of the heart ?

Answer 8

the atrioventricular node

Question 9

from the AV node where does the impulse travel next ?

Answer 9

it travels to the bundle of “His” and through the bundle branches located in the ventricular septum

Question 10

Finally where does the impulses travel to ?

Answer 10

the electrical impulses reaches the purkinje fibers. the fibers will cause the ventricles to contract and pump blood into the pulmonary artery and aorta . this entire process is called the cardiac cycle