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Cardiac Cycle

A. Indian hills Cardiac Cycle

The contraction of the Right and Left atria pushing blood into the venticles Atrial Systole
The period between atrial contractions when the atria are repolarizing Atrial Dystole
Refers to the tension in the ventricular wall at the end of diastole. It reflects venous filling pressure that fills the L ventricle during diastole. Preload
Contraction of the right and left ventricles pushing blood into the pulmonary arteries and aorta. Ventricle Systole
refers to the amount of blood pumped from the left or right ventricle per minute. It is the equal product of stroke volume and HR. Cardiac Output
What is normal cardiac output for an adult male? 4.5-5.0 L/min
Do women produce slightly more or less blood during CO? less
Refers to the amount of blood that returns to the R atrium each minute. Venous return
Refers to the volume of blood ejected by each contraction of the left ventricle. Stroke Volume
What is the normal range for stroke volume? 60-80 ml depending on age, sex, and activity
What can cardiac output increase to with exercise? 25 L/min
______ is similar in volume to cardiac output. Because the cardiovascular system is a closed loop_____ ______ must equal cardiac output when averaged over time. Venous return, venous return
Refers to the forces that impede the flow of blood out of the heart, primarily the measure in the peripheral vascular, the compliance of the aorta, and the ,ass and viscosity of blood. Afterload
Created by: 1177740044



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