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25 Cards in this Set

  • Front
  • Back
Arrhythmia
Abnormal rhythm of the heart beat. Dysrhythmia
Atherosclerosis
Hardening of the arteries due to the deposit of yellowish, fatlike material in the lining of these vessels
Atrium
One of the two upper chambers of the heart.
Bradycardia
Heart rate of less than 60 beats per minute.
Coronary
Referring o the heart or to the arteries supplying blood to the heart.
Coronary Thrombosis
Thrombus formation results in a life-threatening condition. Sudden occlusion of coronary vessel with complete obstruction of blood flow is called a heart attack.
Diastole
Relaxation phase of the cardiac cycle/ diastolic.
Echocardiograph
Instrument to study the heart by means of ultrasound. The record produced is an echocardiogram.
Electrocardiography
Instrument to study the electrical activity of the heart; record made is an electrocardiogram.
Endocardium
Membrane that lines the heart chambers and covers the valves.
Epicardium
Membrane that forms the outermost layer of the heart wall and is continuous with the lining of the fibrous pericardium; visceral pericardium
Fibrillation
Very rapid, uncoordinated beating of the heart.
Infarct
Area of tissue damaged from lack of blood supply caused by a vessel blockage
Ischemia
Lack of blood supply to an area
Murmur
Abnormal heart sound
Myocardium
Middle layer of the heart wall; heart muscle
Pacemaker
Sinoatrial node of the heart; group of cells or artificial device that sets the rate of heart contractions
Pericardium
Fibrous sac lines with serous membrane that encloses the heart
Plaque
A patch or flat area; fatty material that deposits in vessel linings in atherosclerosis
Septum
Dividing Wall, as between the chambers of the heart or the nasal cavities
Stenosis
Narrowing of a duct or canal
Systole
Contraction phase of the cardiaccycle/ systolic
Tachycardia
Heart rate more than 100 beats per minute
Valve
Structure that prevents fluid from flowing backward as in the heart, veins and lymphatic vessels
Ventricle
Cavity or chamber one of the two lower chambers of the heart