Day 1 Basic Arrhythmia Course revised

Day 1 Basic Arrhythmia Course revised - Modified Arrhythmia...

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Center for Nursing Education 2008 Modified Arrhythmia Course For Telemetry For Telemetry
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Center for Nursing Education 2008 Course Content Anatomy and Physiology Basic Electrophysiology Sinus Rhythms Atrial Rhythms Junctional Rhythms
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3 Center for Nursing Education 2008 Learning Objectives Identify key anatomical cardiac structures. Trace blood flow through the heart. Describe the conduction system of the heart. Identify key structures supplied by coronary arteries. Describe parasympathetic and sympathetic innervations of the heart. Identify sinus, atrial and junctional rhythms
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4 Center for Nursing Education 2008
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5 Center for Nursing Education 2008 Layers of the Heart Wall Epicardium External layer Myocardium Middle, thick, muscular layer Endocardium Innermost layer Lines myocardium, valves
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6 Center for Nursing Education 2008 Cardiac Valves Atrioventricular Tricuspid Mitral Open during diastole Closed during systole Semilunar Pulmonic Aortic Open during systole Closed during diastole
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7 Center for Nursing Education 2008
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8 Center for Nursing Education 2008
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9 Center for Nursing Education 2008 Mechanical Cardiac Cycle Diastole (relaxation) 1. Isovolumetric relaxation 2. Passive filling 3. Atrial systole Systole (contraction) 1. Isovolumetric contraction 2. Rapid ventricular ejection
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10 Center for Nursing Education 2008 Ventricular Diastole
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11 Center for Nursing Education 2008 Ventricular Systole
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12 Center for Nursing Education 2008 Coronary Arteries: Right Coronary Artery (RCA) Inferior wall LV Posterior wall LV SA node (50 – 60%) AV node (85 – 90%)
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13 Center for Nursing Education 2008 Coronary Arteries: Left Anterior Descending (LAD) Interventricular septum RBB, LBB Circumflex Left Atrium Lateral LV, inferior LV, posterior LV SA (about 40%) and AV node (10-15%)
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14 Center for Nursing Education 2008 Anterior View of the Heart
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15 Center for Nursing Education 2008 Autonomic Nervous System: Innervation of the Heart Sympathetic Atria, Ventricles Release of norepinephrine Increased force of contraction Increased heart rate Increased BP and cardiac output Parasympathetic SA, AV, atria Vagus Nerve Acetylcholine release Slows rate of discharge SA, AV Slows heart rate
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Center for Nursing Education 2008 Introduction to Rhythm Interpretation
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17 Center for Nursing Education 2008 Electrical Conduction System
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18 Center for Nursing Education 2008 Cardiac Conduction System Sinoatrial node Atrioventricular node Bundle of HIS Right & Left Bundle Branches Purkinje Fibers
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19 Center for Nursing Education 2008 Intrinsic Pacemaker Rates of the Conduction System SA node: 60 – 100 bpm AV node: 40 – 60 bpm Ventricle /Purkinje Fibers: 20 – 40 bpm
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20 Center for Nursing Education 2008 Cardiac Cell Types Myocardial Cells
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Day 1 Basic Arrhythmia Course revised - Modified Arrhythmia...

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