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15 Cards in this Set
- Front
- Back
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sinoatrial node
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S-A node which is a natural pace maker in which electrical impulses start muscle contraction in the heart
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atrioventricular node
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The A-V node transmits electrical impulses on to the bundle of his
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The Bundle of His
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Branches carry the electrical impulses to the right and left ventricles and the Purkinje fibers
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Purkinje fibers
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They cause the ventricles to contract forcing blood into the aorta and the pulmonary arteries
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P wave
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Contraction, stimulation of the aorta
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QRS complex
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Contraction, stimulation of the ventricles
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T wave
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relaxation (recovery) of the ventricles
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Venules
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small veins that join to form the larger veins
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Neutrophils
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Most common type of WBC which is formed in red bone marrow
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Angina pectoris
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Episodes of severe chest pain because of a lack of blood flow to the myocardium
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congestive heart failure
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Syndrome when the heart is unable to pump enough blood to meet the body's needs for oxygen and nutrients. This results in edema
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fibrillation
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rapid, random, ineffective contractions of the heart
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paroxysmal atrial tachycardia
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also known as PAT, very rapid and regular heart beats
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perfusion
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flow of blood through the vessels of an organ
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aneurysm
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localized weak spot, or balloon like enlargement of the wall of an artery
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