Cardiovascular system
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Cardiovascular System PowerPoint PPT Presentation


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Cardiovascular System. Coronary Circulation and Vasculature. Coronary Circulation. Coronary arteries provide oxygen and nutrients to cardiac tissue. Right and left coronary arteries are the aorta’s first branches. Coronary Circulation.

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Cardiovascular System

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Cardiovascular System

Coronary Circulation and Vasculature


Coronary Circulation

  • Coronary arteries provide oxygen and nutrients to cardiac tissue.

  • Right and left coronary arteries are the aorta’s first branches.


Coronary Circulation

  • Cardiac veins, carrying CO2/wastes, empty into the coronary sinus of the right atrium


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 O2/nutrients) to cardiac tissue

    •  Cell Death!!!

    • =Myocardial Infarction (heart attack)

  • What results?

    • Cell death!!


Coronary Bypass: attach artery/vein graft directly from aorta to just beyond blockage


Coronary Artery Balloon Angioplasty

Indication for procedure

Step One: Catheter


Step 2: Pre-Dye


Step 3: Balloon

Step 4: Stent


Step 5: Post-Dye

Before & After


Cutting Balloon: (Directional Atherectomy)

  • Small blades cut the plaque, balloon compresses the fatty matter into the arterial wall.


Rotoblation: (Rotational Atherectomy)

  • Tip spins at a high speed and grinds away the plaque on the arterial walls


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