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Cardiovascular System Vocabulary

What is the Atrium? The upper chambers of the heart that receive blood from the veins.
What is an Aneurysm? Localized dilation of a weakened area of the wall of an artery
What is an Aneurysmectomy? The Surgical removal of the sac of an aneurysm.
The Bicuspid Valve is? The atroventricular valve between the left atrium and the left ventricle; also call the mitral valve
What is a Bruit? An abnormal sound or murmur heard when listening to the cartoid artery, organ or gland with a stethescope (auscultation).
Carditis is? Inflammation of the heart muscles.
Claudication is? Cramp like pains of the calves of the legs caused by poor circulation.
What is the Coronary Artery? One pair of arteries that branch from the aorta and supply blood and oxygen to the heart muscle.(myocardium)
What is a Cusp? Any one of the small flaps on the valves of the heart.
Chordae Tendineae is? Tough fibrous bands of connective tissue that attach the cuspid valves to the walls of the ventricles of the heart.
What is Diastole? The period of relaxation of the heart/relaxation phase.
Dysrhythmia is? Abnormal heart rhythm.
Edema is? Localized or generalized collection of fluid within the body tissues causing the effected area to swell.
Endocarditis is? Inflammation of the inner lining of the heart.
What is Endocardium? The heart innermost layer made up of involutary smooth muscle.
What is Epicardium? The outer layer of the heart
Hyperlipidemia is? An excessive level of fat in the blood
Hypertension is? Elevated blood pressure that is constantly above 140/90mmhg
Hypotension is? Low blood pressure that is below 90/60mmhg
Infarction is? A localized area of necrosis(death)in tissue, a vessel, organ or body part resulting from lack of oxygen (anoxia) due to interrupted blood flow to the area
What is Mediastinum? The area between the lungs in the chest cavity that contains the heart, aorta, trachea, esophagus, and bronchi
The Mitral Valve Prolapse is? Drooping og the cusps of the Mitral Valve back into the left atrium of the heart during ventricular systole(contraction), resulting in incomplete closure
Myocardium is? The hardest working layer of the heart; the muscle layer of the heart
What is a Pacemaker? An electrical apparatus used to regulate the heart rate by causing the heart muscle to contract with elctrical stimulation
Palpations are? A pounding or a racing of the heart, normally associated with emotional responses or heart disorders
Pericardium is? Adouble membrane sac that surrounds the heart, attaches the heart to the inner makings of the thoracic cavity, and supports the weight of the heart.
What is Precordium? The area of the chest wall that covers the heart.
A Pulmonary Artery is? A pair of Arteries that transprts deoxygenated blood from the right ventricle of the heart to teh lungs; the only arteries in the body to carry deoxygenated blood.
What is Pulmonary Circulation? The circulation of deoxygentaed blood from the right ventricle of the heart to the lungs for oxygenation and back to the left atrium
A Pulmonary Vein is? One of four large veins that return oxygenated blood from the lungs back to the left atrium of the heart; the only veins in the body that carry oxygenated blood
Purkinje Fibers are? Electrical Fibers located in the walls of the ventricles, which conduct electrical impulses from the Bundle of His which causes the ventricles to contract
An SA node is? A Pacemaker to the heart
The Septum is? A wall that seperates the two cavaties
Semilunar Valves are? Valves that are shaped as half-moons which are located between the ventricles
Systematic Circulation is? The circulation of blood from the left ventricle of the heart to the entire body. Oxygenated blood is circulated throughout the entire body via the left ventricle
Systole is? The contraction phase of the heartbeat, which forces blood into the aorta and the pulmonary arteries
The Tricuspid Valve is? An atrioventricular valve found between the right atrium and the right ventricle
Ventricle is? The lower chambers of the heart
Created by: CaStjohn