Circulatory System

Heart

Muscular organ the size of a fist located between ribs with apex left

Pericardium

Fluid filled membrane surrounding the heart

Epicardium

Thin outer membrane of the heart

Myocardium

Middle muscle layer of the heart

Endocardium

Thin inner layer of the heart

Right Atrium

Upper right chamber of the heart

Left Atrium

Upper left chamber of the heart

Right Ventricle

Lower right chamber of the heart

Left Ventricle

Lower left chamber of the heart

Tricuspid Valve

Valve between right atrium and right ventricle

Pulmonary Semilunar Valve

Valve between right ventricle and pulmonary artery

Bicuspid Valve

Valve between left atrium and left ventricle

Aortic Semilunar Valve

Valve between left ventricle and aorta

SA Node

Pacemaker triggering atrial contraction

AV Node

Pauses impulse so atria can empty

Bundle of His

Relays impulse causing ventricular contraction

Pulmonary Circulation

Blood from heart to lungs and back

Systemic Circulation

Blood from heart to body and back

Artery

Carries blood away from heart

Vein

Carries blood toward heart

Capillary

Exchange vessel between arteries and veins

Coronary Artery

Supplies blood to the heart muscle

Carotid Artery

Supplies blood to the brain

Femoral Artery

Supplies blood to the leg

Jugular Vein

Drains blood from head and neck

Saphenous Vein

Vein in the leg

Aorta

Largest artery carrying blood from the heart

Arterioles

Small arteries branching toward tissues

Venules

Small veins leading toward larger veins

Valves in Veins

Prevent backflow of blood

H Pattern Veins

Median cubital cephalic basilic

M Pattern Veins

Median median cephalic median basilic

Aneurysm

Ballooning of a vessel wall

Arteriosclerosis

Hardening of artery walls

Atherosclerosis

Fat buildup narrowing arteries

Embolism

Blockage from a traveling clot

Embolus

Traveling clot causing blockage

Hemorrhoids

Swollen veins in rectum or anus

Phlebitis

Inflammation of a vein

Thrombophlebitis

Inflammation from a clot in a vein

Thrombus

Stationary clot in a vessel

Varicose Veins

Enlarged twisted veins from pooling

DIC Screen

Test for clotting disorders

Lipoproteins Test

Measures cholesterol levels

Prothrombin Time

Test measuring clotting time

Partial Thromboplastin Time

Test measuring clotting pathway time

Triglycerides Test

Measures fat levels in blood