cna block 7 cardiovascular system

cardiac

relating to the heart

artery

any of the muscular-walled tubes forming part of the circulation system by which blood is conveyed from he heart to all parts of the body

capillary

any of the 5 branching blood vessels that form a network between the arterioles and venules

vein

any of the tubes forming part of the blood circulation system in the body, carrying in most cases oxygen depleted blood toward the heart

angina

chest pain, pressure, or discomfort usually associated with heart muscle that is not getting enough oxygen

coronary artery disease CAD

impedance or blockage of one or more arteries that supply blood to the heart, usually due to atherosclerosis

congestive heart failure CHF

heart failure in which the heart is unable to maintain adequate circulation of blood in the tissues of the body or to pump out the venous blood returned to it by the venous circulation

peripheral vascular disease PVD

poor blood circulation in the legs, feet, arms, hands caused by atherosclerosis

anemia

a condition marked by deficiency of red blood cells or of hemoglobin in the blood, resulting in pallor and wariness

blood cot

a semi solid mass of coagulated red and white blood cells (thrombus)

cyanosis

a bluish discoloration of the skin resulting from poor circulation or inadequate oxygenation of the blood

pacemaker

an artificial device for stimulating the heart muscle and regulating its contractions

functions of the cardiovascular system

transports nutrients, oxygen, and hormones to cells in the body, removal of metabolic waste, heart pumps thru blood vessels to cells, infection fighting blood cells, controls body temp

normal changes

heart pumps less efficiently, blood flow decreases blood vessels narrow

report

changes in pulse, weakness or fatigue, swelling of body parts, pale bluish or discolored body parts, chest pain weight gain, headaches, shortness of breath, inactivity

heart

1

arteries

2

veins

3

left atrium

1

left ventricle

2

inferior vena cava

3

right ventricle

4

right atrium

5

superior vena cava

6

ascending aorta

7