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Blue plaque, London. In his early studies Mackenzie used Riva-Rocci's sphygmograph to graphically record the pulse. Later Mackenzie devised a "polygraph," that allowed him to make simultaneous records of the arterial and venous pulses. He used this to evaluate the condition of the heart and to measure the AV interval.
Plaque build-up often doesn’t cause symptoms, but it can block blood flow to vital organs like your heart. Coronary artery disease occurs when atherosclerosis affects the arteries supplying ...
People with microplastics and nanoplastics in plaque lining a major blood vessel in their neck may have a higher risk of heart attack, stroke or death, new research suggests. Doctors found tiny ...
This occurs when plaques (made up of deposits of cholesterol and other substances) build up over time in the walls of the arteries. Coronary artery disease (CAD) or ischemic heart disease are the terms used to describe narrowing of the coronary arteries. [8] As the disease progresses, plaque buildup can partially block blood flow to the heart ...
The blue plaques are publicly visible, and are intended to give everyone an insight into chemistry's relevance to everyday lives. [1] CLS plaques for the first few years of the scheme (begun in 2001) were rectangular, black lettering on a steel background, but later plaques are hexagonal, white lettering on a blue background.
The team later discovered the operation worked best in older children. Saxon herself could not have waited any longer. By the time the first shunt was attempted on her, she was in danger of dying. Eileen Saxon's surgery was re-enacted in the documentary Partners of the Heart, produced by Spark Media, and broadcast on American Experience in 2003 ...
Plaques in the walls of the coronary arteries can rupture, resulting in occlusion of the artery and deprivation of blood flow and oxygen to the heart muscle, resulting in cardiac cell death. [9] This is known as myocardial infarction. [9] A heart attack can cause arrhythmias, as well as permanent damage to the heart muscle. [25]
For most people, the first symptoms result from atheroma progression within the heart arteries, most commonly resulting in a heart attack and ensuing debility. The heart arteries are difficult to track because they are small (from about 5 mm down to microscopic), they are hidden deep within the chest and they never stop moving.