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Published byAngelica Warren Modified over 9 years ago
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Coronary Circulation and Vasculature
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Coronary Circulation Coronary arteries provide oxygen and nutrients to cardiac tissue. Right and left coronary arteries are the aorta’s first branches.
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Coronary Circulation Cardiac veins, carrying CO 2 /wastes, empty into the coronary sinus of the right atrium
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Blockage of Coronary Arteries What will happen if there is a clot (or blockage from atherosclerosis) in a coronary artery? Blockage of blood supply (and therefore O 2 /nutrients) to cardiac tissue Cell Death!!! =Myocardial Infarction (heart attack) What results? Cell death!!
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Coronary Bypass: attach artery/vein graft directly from aorta to just beyond blockage
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Coronary Artery Balloon Angioplasty Indication for procedure Step One: Catheter
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Step 2: Pre-Dye
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Step 3: Balloon Step 4: Stent
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Step 5: Post-Dye Before & After
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Cutting Balloon: (Directional Atherectomy) Small blades cut the plaque, balloon compresses the fatty matter into the arterial wall.
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Rotoblation: (Rotational Atherectomy) Tip spins at a high speed and grinds away the plaque on the arterial walls
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