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Transport and Supply (Cor Pulmonale (blood begins to back up in systemic…
Transport and Supply
Cor Pulmonale
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develops because heart muscles chronically working harder that normal; muscles on right side become too large, preventing efficient pumping
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Types of dysrhythmias
Flutter
coordinated, but extremely rapd contraction of heart chamber
Fibrillation
rapid, uncoordinated contraction of cardiac muscle cells
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Treatments
pacemaker
surgically implanted device that electrically stimulates heart, triggering contraction
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CHF
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usually left sided heart problem, but can include right sided failure as well
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Heart failure
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Right sided heart failure, left side pumping normally but right cant keep up
Left sides heart failure, right side pumping normally, but left side cant keep up
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Blood
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3 functions
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regulation
variety of levels in body to ehlp maintain homeostasis by ensuring PH and electrolyte values within normal parameters for proper cells functioning
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RCA and LCA
Right Coronary Artery
provides blood for right ventricle, posterior portion of interventricular septum and inferior parts of heart
Left Coronary Artery
provides blood to left lateral and anterior walls of left ventricle and portions of right ventricle and interventricular septum
Infarct
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signs and symptoms
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pain in left shoulder, arm, neck or jaw
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CK-MB
special kind of creatine kinase in heart muscles cells; enzyme can be detected in blood within 2-6 hours of MI
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Artherosclerosis
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Treatment
Coronary Angioplasty
balloon tipped catheter threaded up to large plaque; when in proper position balloon is inflated, squishing plaque to side and increasing blood flow
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Circulatory System
4 main functions
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movement of materials facilitates delivery of vital things like O2 and nutrients to cells of body and remove cellular waste
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Arrythmia
heart beat with abnormal rhythm, often due to abnormalities in hearts electrical conducting system
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