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Health Final 2012

Health Assessmeny chapter 19 20 22 23 & 27

The cardiovascular system consists of the following: heart & blood vessels
precordium area on the anterior chest directly overlying the heart and great vessels
great vessels major arteries and veins connected to the heart
The heart is found here 2nd to 5th intercostal space; from the right border of the sternum to the left midclavicular line
where can you palpate the apex 5th intercostal space
the functions of the superior and inferior vena cava is to return unoxygenated venous blood to the right side of the heart.
what is the difference between the function of the pulmonary artery and vein? the pulmonary artery carries venous blood to the lungs from the right ventricle. the pulmonary vein returns oxygenated blood to the left side of the heart.
aorta carries the oxygenated blood to the rest of the body
pericardium tough, fibrous, double walled sac that surrounds and protects the heart. It has 2 layes and contains pericardial fluid to reduce friction and ensure smooth free movement of the heart
atrium holds the blood
ventricle muscular pumping chamber
WHen do AV valves open? When do the close. AV valves open during diastole (relaxing/ filling phase); AV valves close during systole (contracting).
The tricuspid valve lies in the right side of the heart
the bicuspid valve lies in the left side of the heart
AV valves separate these structures atrium and ventricle
Semilunar valves seperate these structures venticles and the arteries
Semilunar valves: Right Left Right: pulmonic valve Left: aortic
Semilunar valves open during systole to allow ejected from the heart
There are no valves here: between the vena cava and the right atrium; between the pulmonary veins and the left atrium
High pressure in the left side of the heart gives a person symptoms of pulmonary congestion
Abnormally High pressure in the right side of the heart shows in the neck veins and abdomen
Direction of Blood flow liver->RA->Inferior vena cava (superior drains venous blood from head and upper extremities).-> From RV, venous blood flows through pulmonic valve to pulmonary artery (Pulmonary artery delivers unoxygenated blood to the lungs).
pulmonary veins return fresh blood to the left atrium
arterial Blood travels from the left atrium through the mitral alve to the left ventricle
Blood flows from an area of higher concentration to lower concentration
the pressure in atria is higher than the pressure in ventricles
early/ protodiastolic filling first passive filling phase
Created by: bunny6108