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59 Cards in this Set
- Front
- Back
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arterie
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large blood vessels that move oxygenated blood away from the heart
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vein
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blood vessel that carry deoxygenated blood to the heart
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capillary
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1-cell thin blood vessel that supply oxygenated RBC to tissue
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venules
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small veins which branch to form larger veins
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venae cavae
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two large veins that carry oxygen poor blood to the heart
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pulmonary artery
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artery that splits into two, supplying blood to each lung
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pulmonary vein
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blood vessels that receive newly-oxygenated blood from the lungs
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Oxygen-rich blood enters what side of the heart?
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left side of the heart
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aorta
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largest artery that forms a loop above the heart, branching into arteries
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carotid arteries
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supply blood to the head and neck
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arterioles
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arteries formed by the branching out of larger arteries
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carbon dioxide
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waste product that is replaced by oxygen and brought back to the heart
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systemic circulation
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pathway of blood from the heart to the tissue capillaries and back
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pulmonary circulation
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pathway of blood from the heart to the lungs and back
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atria
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upper chambers (2) of the heart
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ventricles
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lower chambers (2) of the heart
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superior vena cava
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drains blood from the upper portion of the body
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inferior vena cava
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carries blood from the lower part of the body into the heart
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right atrium
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chamber of the heart that receives blood from the vena cava
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left atrium
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chamber of the heart that receives oxygenated blood from the pulmonary veins
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right ventricle
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chamber of the heart that pumps oxygen poor blood into the pulmonary arteries
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mitral valve
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valve located between the left atrium and left ventricle
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tricuspid valve
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valve located between the right atrium and right ventricle
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septum
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partitions that separate the right and left side of the heart
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endocardium
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smooth layer of endothelial cells that line the interior of the heart
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myocardium
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middle, muscular layer of the heart wall
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pericardium
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fibrous, membranous sac that covers the heart
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visceral pericardium
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inner layer of the pericardium
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parietal pericardium
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outer layer of the pericardium
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diastole
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relaxation heartbeat
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systole
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contraction heartbeat
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murmur
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abnormal heart sound
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sinoatrial node (SA node)
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located on the posterior portion of the right atrium; stimulates the atria to contract
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atrioventricular node (AV node)
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region of the heart that receives the electrical impulse of the SA node and confers it to the atrioventricular node
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bundle of His
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atrioventricular node; splits into right and left branches that stimulate the ventricles to contract
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electrocardiogram
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a.k.a. ECG\EKG; used to record the electrical communication of the heart as it contracts
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deflections
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waves of electric excitement as recorded by an electrocardiogram
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sinus rhythm
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normal heart rhythm
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sphygmomanometer
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instrument that measures blood pressure
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arrhythmias
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problems with the conduction or electrical system of the heart
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atrioventricular block
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a.k.a. heart block; failure of proper conduction of impulses through the AV node to the bundle of His
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flutter
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rapid but regular contractions of the atria or ventricles
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fibrillation
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rapid, random, ineffectual, and irregular contractions of the heart
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congenital heart disease
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abnormalities of the heart at birth
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coarctation of the aorta
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narrowing of the aorta
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patent ductus arteriosus
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permanent opening of a small duct between the aorta and pulmonary artery that is supposed to close at birth
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septal defects
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small holes in the septa between the atria or the ventricles
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tetralogy of Fallot
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congenital malformation of the heart involving four distinct defects:
a.) pulmonary artery stenosis b.) ventricular septal defect c.) shift of the aorta to the right d.) hypertrophy of the right ventricle |
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congestive heart failure
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heart is unable to pump the required amount of blood
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atherosclerosis
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deposition of lipids on the inner lining of the coronary arteries
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thrombotic occlusion
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blocking of the coronary artery by a clot
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necrosis
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death of living tissue
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infarction
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area of dead tissue
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acute coronary syndrome
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unstable angina and myocardial infarction as the result of plaque rupture in coronary arteries
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nitroglycerine
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a.k.a nitrates; given after attacks of agina
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endocarditis
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inflammation of the inner-lining of the heart
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hypertensive heart disease
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high blood pressure affecting the heart
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mitral valve prolapse (MVP)
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improper closure of the mitral valve
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pericarditis
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inflammation of the pericardium
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