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21 Cards in this Set

  • Front
  • Back
Afterload
amount of pressure ventricles must overcome to eject blood volume into system
ateriosclerosis
abnormal thickening or hardening of arterial walls with a loss of elasticity
bradycardia
Slow heart rate
contractility
ability of cardiac muscle fibers to shorten and produce a muscle contraction
Diastole
Ventricles at rest, filling with blood from atria
Dysrhythmia
Disturbances in heart rhythm
hemodynamic
study of the movement of blood and the forces that affect it
Murmur
sound produced by turbulent blood flow across the valves
Myocardial infarction
Heart attack
Palpitation
heartbeat that is strong, rapid or irregular enough for the patient to be aware of it
Perfusion
passage of blood thru the vessels of an organ
preload
amount of blood remaining in the ventricles at the end of diastole- or pressure generated at the end of diastole
Regurgitation
inability of valve to close completely allowing blood to flow backwards
syncope
fainting
Systole
blood is ejected thru pulmonic valve into pulmonary artery
Tachycardia
fast heartbeat
Order of impulse conduction thru the heart
SA node, AV node, thru bundle of HIS to Perkinje fibers, Heart contracts
Cardiac Cycle
contraction and relaxation of heart = 1 heart beat
Cardiac output
volume of blood ejected by heart each minute
Left sided heart failure symptoms
anxious, pale, weak, tachycardia
Right sided heart failure
elevated central venous pressure, jugular vein distention, abdominal enlargement, dependent edema, anorexia, nausea, vomiting, wt. gain, fatigue and decreased urinary output