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Coronary Artery Disease (CAD) - Medical Animation
 
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Coronary Artery Disease (CAD) - Medical Animation
MEDICAL ANIMATION TRANSCRIPT:
The right and left coronary arteries arise from the aorta and supply the heart with blood, nutrients and oxygen. Coronary artery disease, also known as CAD, is a condition in which one or both coronary arteries can no longer deliver sufficient blood and oxygen to the heart muscle. In the bloodstream, cholesterol, a lipid synthesized in the liver and obtained from the diet, and fatty acid compounds, such as triglycerides, bind to either low-density lipoprotein, called LDL, or high-density lipoprotein, called HDL, and circulate throughout the body. When the endothelial lining of the coronary arteries becomes damaged, LDL-bound cholesterol and triglycerides adhere to the artery wall. The build up of LDL, also known as bad cholesterol, and triglycerides inside the artery wall forms a lesion called a fatty streak and triggers an immune response. Monocytes enter the lesion and transform into macrophages. These cells digest cholesterol and become foam cells, forming an atheroma, or plaque, with a lipid core. This inflammatory process involving fatty plaque accumulation and abnormal cellular changes in artery walls is called atherosclerosis and is a major cause of CAD. Over time, an advanced atherosclerotic plaque may weaken and rupture. In an inflammatory response, platelets and arthryocytes form a blood clot called a thrombus, occluding the artery. Insufficient blood flow, called ischemia, occurs and may eventually lead to tissue death, known as infarction. Treatment for CAD can involve lipid-lowering medications, such as HMG-CoA reductase inhibitors, or statins, which inhibit cholesterol synthesis in the liver and help remove LDL cholesterol from the bloodstream. Aspirin and other antiplatelet medications prevent thrombis formation by reducing platelet aggregation. Beta blocker medications slow down the heart rate, improving blood and oxygen supply to the myocardium. Angioplasty is also known as percutaneous transluminal coronary angioplasty, or PTCA, percutaneous coronary intervention, or PCI, or balloon angioplasty. During the procedure, the physician threads a guide wire into the femoral artery and into the aorta. The physician passes a catheter with a small balloon into the narrowed coronary artery lumen. When the balloon is inflated, then deflated, it flattens the plaque against the artery wall, opening the lumen. In some cases, a wire mesh tube called an endovascular stent may be placed over the balloon and then expanded inside the artery to maintain the open lumen. ♪ [music] ♪

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"The Doe Report is a visual feast of medical information for personal injury lawyers."

Aaron R. Larson, Esq.
President
ExpertLaw.com

"Thank you for the splendid medical-legal art work you did for us in the case of a young girl who was blinded by a bb pellet. As a result of your graphic illustrations of this tragic injury, we were able to persuade the insurance company to increase their initial offer of $75,000.00 to $475,000.00, just short of their policy limits.

We simply wanted you to know how pleased we were with your work which, to repeat, was of superlative character, and to let you know that we would be more than willing to serve as a reference in case you ever need one. Many thanks for an extraordinary and dramatic depiction of a very serious injury which clearly "catapulted" the insurance company's offer to a "full and fair" amount to settle this case."

Philip C. Coulter
Coulter &Coulter
Roanoke, VA

"Whether it's demonstrating a rotator cuff tear, neck movement a few milliseconds after rear impact, or a proposed lumbar fusion, the Doe Report represents an instant on-line database of medical illustration for health-care and legal professionals.

Illustrations can be purchased 'as is' or modified within hours and sent either electronically or mounted on posterboard. An illustration is worth a thousand words, as juries perk up and look intently to capture concepts that are otherwise too abstract. Start with good illustrations, a clear and direct voice, a view of the jury as 12 medical students on day one of training, and your expert testimony becomes a pleasure, even on cross examination. An experienced trial lawyer should also emphasize these illustrations at the end of trial, as a means of visually reinforcing key concepts covered.

As a treating physician, I also use these accurate illustrations to educate my own patients about their medical conditions. The Doe Report is an invaluable resource, and its authors at MLA have always been a pleasure to work with."

Richard E. Seroussi M.D., M.Sc.
Diplomate, American Boards of Electrodiagnostic Medicine and PM&R
Seattle Spine & Rehabilitation Medicine
www.seattlespine.info

"We got a defense verdict yesterday! Your exhibit was extremely helpful in showing the jury how unlikely it is to damage all four of the nerve branches which control the sense of taste."

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Silverman Bernheim & Vogel, P.C.
Philadeplphia, PA













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