CardiologyIntro

CardiologyIntro - Introduction to Cardiology EMS...

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Introduction to Cardiology EMS Professions Temple College
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Introduction to Cardiology Cardiovascular Disease EMS System Role Cardiovascular Electrophysiology
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Cardiovascular Disease Single greatest cause of death and disability in the United States includes heart disease and vascular disease 2 million people diagnosed with an ACS/yr 1.5 million will experience an acute MI Of these, 0.5 million will die – Almost half of these (250,000) will be sudden and within the first hour of onset of symptoms 500,000 people will suffer a stroke each year in the US Nearly 1/4 of these will die
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Cardiovascular Disease
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Cardiovascular Disease Atherosclerosis plaque accumulation within the lumen of the artery resulting in decreased lumen inner diameter increased vascular resistance potential for thrombus or embolus formation associated with HTN Stroke Angina, Heart Attack Renal Failure
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Cardiovascular Disease Risk Factors Age Family History Hypertension Hypercholesterolemia Male gender Smoking Diabetes Contributing Risk Factors Diet Obesity Oral contraceptives Sedentary living Personality type
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EMS System Role The original Paramedic idea was based upon the need for rapid response to, identification of and emergency care for victims of: Sudden Cardiac Death (SCD) Acute Myocardial Infarction (AMI)
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EMS System Role The EMT and Paramedic roles in the treatment of sudden cardiac death have been proven to make a difference in survival Contributions being recognized in acute coronary syndromes Key is a STRONG chain of survival
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EMS System Role Weak vs. Strong Chain of Survival
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Anatomy & Physiology
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Anatomy Review Parietal - pericardial sac Pericardial fluid
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Anatomy Review
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Blood Flow (mitral valve) Chordae tendinae
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Cardiac Cycle Diastole Systole
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Cardiac Output Stroke volume x Heart rate Also dependent upon Stroke volume contractility preload volume in ventricle at end of diastole afterload resistance against which left ventricle must pump Starling’s law
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Vascular System Aorta ascending thoracic descending thoracic abdominal Vena cava superior inferior
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Peripheral Vascular System Arteries & Veins 3 layers tunica media > in arteries flow through a vessel directly proportional to the fourth power of the radius atherosclerosis vascular constriction
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CardiologyIntro - Introduction to Cardiology EMS...

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