ECG Glossary Quiz 3 E - I
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| Swelling due to fluid in the tissues | Edema
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| An electric device that can control the beating of the heart by a rhythmic discharge of electrical impulses | Electric cardiac pacemaker
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| A graphical RECORD of the electric currents produced by the heart | Electrocardiogram
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| An INSTRUMENT which RECORDS electric currents produced by the heart | Electrocardiograph
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| Any substance which, in solution, is capable of conducting electricity by means of its atoms. (Examples: Sodium - Potassium) | Electrolyte
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| Blocking of a blood vessel by a clot or other substance carried in the blood stream | Embolism
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| Inflammation of the inner layer of the heart (Endocardium) usually associated with acute rheumatic fevers or some infectious agents | Endocarditis
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| A thin, smooth membrane forming the inner surface of the heart | Endocardium
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| Outer layer of the heart wall. (Also called visceral pericardium) | Epicardium
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| A secretion of the adrenal gland that constricts the small blood vessels (arterioles), increases the rate of the heartbeat, and raises blood pressure. (Also called a vasoconstrictor or vasopressor) | Epinephrine
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| Red blood cell | Erythrocyte
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| Elevated BP not caused by kidney or other evident disease. (Sometimes called primary hypertension) | Essential hypertension
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| Sum of knowledge about the causes of a disease | Etiology
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| Circulation of the blood outside the body as by a mechanical pump-oxygenator | Extracorporeal circulation
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| A contraction of the heart which occurs prematurely and interrupts the normal rhythm | Extrasystole
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| Main blood vessel supplying blood to the leg | Femoral artery
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| Uncoordinated contractions of the heart muscle occuring when the individual muscle fibers take up independent irregular contractions | Fibrillation
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| An extra heart sound which, when the heart rate is fast, resembles a horse's gallop | Gallop rhythm
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| Interference with the conduction of the electrical impulses of the heart which can be either partial or complete. Can result in dissociation of the rhythms of the upper & lower heart chambers | Heart block
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| A machine through which the blood stream is diverted for pumping and oxygenation while the heart is opened for surgery | Heart-Lung machine
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| The study of the flow of blood & forces involved | Hemodynamics
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| Loss of blood from a blood vessel. (External - Blood escapes from the body; Internal - Blood passes inti tissues) | Hemorrhage
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| A chemical substance which tends to prevent blood from clotting. (An Anticoagulant) | Heparin
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| German anatomist who discovered bundle of muscle fibers running from the upper to lower chambers of the heart. (Known as the bundle of His) | His, Wilhelm
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| An unstable or persistent elevation of blood pressure above the normal range, which may eventually lead to increased heart size and kidney damage | Hypertension
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| Enlargement of a tissue or organ due to increase in the size of its constituent cells | Hypertrophy
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| Most commonly used to describe an acute fall in blood presssure, as occurs in shock. BP below the normal range or low BP. | Hypotension
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| Less than normal content of oxygen in the organs & tissues of the body. (Can be caused by high altitude) | Hypoxia
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| Also called valvular insufficiency; Any valve that does not close tight and leaks blood back in the wrong direction. | Incompetent valve
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| An area of a tissue which is damaged or dies as a result of not receiving a sufficient blood supply. | infarct
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| Muscular wall dividing left and right upper chambers of the heart which are called atria. Sometimes called auricular septum or interauricular septum or atrial septum | Inter-atrial septum
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| Muscular wall, tinnera t the top, dividing the left and right lower chambers of the heart called ventricles. Sometimes called ventricular septum. | Inter-ventricular septum
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| A local, usually temporary, deficiency of blood in some part of the body, often caused by a constriction or an obstruction in the blood vessel supplying that part | Ischemia
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