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In the words of one noted physician, blockages in the main blood vessels of the heart create a problem that is "relatively simple and very complex." This program reflects that dual perspective, aiming to simplify the discussion while embracing the complexity of coronary artery disease. Viewers learn about the ailment's causes, development, dangers, and treatment through helpful case studies and expert interviews. Dynamic 3D graphics show how plaque...
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English
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Inside the chest cavity are the left coronary artery and right coronary artery, which supply blood to the heart muscle. Damage to or blockages of either artery reduce blood flow in the affected artery, resulting in decreased oxygen delivery to the heart muscle. This condition, called ischemia, can cause pain. If a coronary artery's inner wall becomes damaged, plaque consisting of lipids (fats) and clotted blood can build up, causing progressive narrowing...
3) Heart Valve
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English
Description
Four heart valves control the direction of blood being pumped through the heart. In the elderly, the aortic valve is the most vulnerable to disease. It becomes thick and calcified resulting in a condition called aortic stenosis. In this video clip, meet George, a 63-year-old man who suffers from this life threatening condition, and the doctors who are trying to treat him.
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Description
If left untreated, hypertension can lead to the thickening of arterial walls causing its lumen, or blood passageway, to narrow in diameter. As a result, the heart must work harder to pump blood through the narrowed arterial openings. In addition, people with hypertension may be more susceptible to stroke.
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Español
Description
If left untreated, hypertension can lead to the thickening of arterial walls causing its lumen, or blood passageway, to narrow in diameter. As a result, the heart must work harder to pump blood through the narrowed arterial openings. In addition, people with hypertension may be more susceptible to stroke.
6) Arrhythmias
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English
Description
A change in the heart's normal electrical conduction system can result in an arrhythmia, or irregular heartbeat. An arrhythmia can be an abnormally slow heartbeat, or an abnormally fast heartbeat. In some cases, it can be fatal.
7) Arrhythmias
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Español
Description
A change in the heart's normal electrical conduction system can result in an arrhythmia, or irregular heartbeat. An arrhythmia can be an abnormally slow heartbeat, or an abnormally fast heartbeat. In some cases, it can be fatal.
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English
Description
In Australia today 50,000 young people are at risk of a heart attack or stroke and they don't even know it. This video clip takes a look at a disease that causes genetically high cholesterol, and Dr. Norman Swan roles up his sleeve to reveal some alarming facts about cholesterol.
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English
Description
Normally, the walls of an artery are smooth, allowing blood to flow unimpeded. Atherosclerosis occurs when harmful material collects on the wall of an artery. This material includes fat, cholesterol, and other substances. Eventually, the material builds up and a plaque is formed, narrowing the artery. When the build-up is severe, a clot could block the vessel completely.
10) Atherosclerosis
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Español
Description
Normally, the walls of an artery are smooth, allowing blood to flow unimpeded. Atherosclerosis occurs when harmful material collects on the wall of an artery. This material includes fat, cholesterol, and other substances. Eventually, the material builds up and a plaque is formed, narrowing the artery. When the build-up is severe, a clot could block the vessel completely.
11) Last Christmas
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English
Description
In recovery from a life-threatening illness, Kate's work as an elf at a Christmas-themed shop begins to suffer as she keeps the secret from her employer and does not discuss it with her first-generation immigrant parents or her distanced sister. As the holidays draw closer, she encounters the same kind-hearted man repeatedly, and finds herself eventually warming to him despite his unreliable nature, letting his optimistic worldview gradually change...
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Description
The tissue of the brain is supplied by a network of cerebral arteries. If the wall of a cerebral artery becomes weakened, a portion of the wall may balloon out, forming an aneurysm. A cerebral aneurysm may enlarge until it bursts, sending blood throughout the spaces in or surrounding the brain.
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Español
Description
The tissue of the brain is supplied by a network of cerebral arteries. If the wall of a cerebral artery becomes weakened, a portion of the wall may balloon out, forming an aneurysm. A cerebral aneurysm may enlarge until it bursts, sending blood throughout the spaces in or surrounding the brain.
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English
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Heart valves fabricated from the body's own cells are durable and are not rejected. Stimulating the natural growth of blood vessels to skirt clogged ones could make elaborate bypass surgery obsolete. As this program shows, these are some of the tools, either in use or under development, that place vascular science at the forefront of medicine. The program also highlights innovations in clot-dissolving drugs, artificial hearts, on-the-spot repairs...
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English
Description
Your heart has four chambers: the right atrium, the right ventricle, the left atrium, and the left ventricle. The superior vena cava and inferior vena cava are called the great vessels because they bring blood from the body to the heart. The pulmonary artery transports blood to your lungs. Your heart pumps oxygen-rich blood out through the aorta, the largest artery, to the rest of your body. A series of one-way valves keeps blood flowing in one direction....
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Description
Angina pectoris is the clinical term for chest pain due to coronary heart disease, and hypertension translates to high blood pressure-two potentially life-threatening conditions that affect 10 million Americans every year. In this program, William Frishman, of New York Medical College; Steve Glasser, of the University of Minnesota; and Henry Black, of Rush Presbyterian/St. Luke's Medical Center in Chicago, address the causes and effects of those conditions....
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English
Description
Affecting about 2 million Americans every year, deep vein thrombosis is a severe form of blood clot that has been linked with some cancers. This program examines how DVT develops, including the genetic and acquired risk factors that make an occurrence likely. It also examines the life-threatening problem of pulmonary embolisms, or blood clots in the lungs, which can result from DVT. Along with medical procedures used for early detection and treatment...
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This overview of peripheral arterial disease, or PAD, includes information on atherosclerosis - a hardening and narrowing of the arteries that supply blood to the extremities or major organs, caused by the gradual buildup of plaque in blood vessels. Plaque buildup that occurs in the carotid artery, located in the neck, can lead to stroke. Although peripheral arterial disease cannot be cured, proper treatment together with a healthy lifestyle can help...
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English
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More than 2 million people suffer from atrial fibrillation, an irregular heartbeat caused by abnormal electrical signals in the atria, the heart's upper chambers. This program analyzes the disorder, showing how the irregularity can create discomfort, blackouts, and blood clotting in the valves of the heart, potentially leading to a stroke. The video also features expert commentary from medical professionals, personal stories from patients, and detailed...
20) Heart failure
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English
Description
Many people who have suffered from cardiac arrest live in constant fear of complete heart failure. This program makes clear that, for the average heart attack survivor, nothing could be further from the truth. Viewers will learn about current procedures and treatments, including exercise, state-of-the-art medications, and heart transplants, that have helped heart attack patients live healthy, normal lives-even when patients are also undergoing other...