Cardiovascular Flashcards
What is the Cardiac Cycle?
The cycle the heart goes through in between heartbeats.
What is the normal blood pressure range?
120 over 80 is normal
90 over 60 is low
140 over 90 is high
How is the heart rate regulated?
Through a mechanical pacemaker or the Sinoatrial Node(SAN) which is the natural pacemaker
Why is the pause in the AVN important in the cardiac cycle?
So that the atria can complete their emptying into the ventricles before contracting and sending the blood around the body
What is atheroma?
The fatty deposits in the coronary arteries
What is the process of fatty deposits building up in the arteries called?
Atherosclerosis
CHD can be caused by…
Lifestyle factors- smoking, regular drinking
Diet- saturated fats and foods