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Afterload
Amount of resistance the left ventricle must overcome to open the aortic valve
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Arteriosclerosis
Abnormal thickening, hardening, and loss of elasticity of the arterial walls
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Atherosclerosis
Adnormal thickening and hardening of the arterial walls caused by fat and fibrin deposits
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Bradycardia
Slow heart rate
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Contractility
Capacity for shortening in response to stimuli
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Diastole
When ventricles are at rest-filling up with blood coming from the atria
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Dysrhythmia
Disturbance of rhythm including excessively rapid, slow, or irregular heartbeats
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Hemodynamic
Study of the movement of blood and the forces that affect it
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Murmur
Sound heart on auscultation of the heart that usually indicates turbulent blood flow across heart valves
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Myocardial infarction
The death of myocardial tissue as a result of prolongued lack of blood and 02 supply
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Palpitation
Heartbeat that is strong, rapid, or irregular enough that the person is aware of it
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Perfusion
Passage of blood through the vessels of an organ
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Preload
Amount of blood in the left ventricle at the end of diastole; the pressure generated at the end of diastole
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Regurgitation
Backward flow
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Systole
Contraction phase of the cardiac cycle
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Tachycardia
Rapid heart rate
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Thromboembolism
Obstruction of a blood vessel with a blood clot transported through the bloodstream
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