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A sonographer performing pediatric echocardiography. A sonographer is an allied healthcare professional who specializes in the use of ultrasonic imaging devices to produce diagnostic images, scans, videos or three-dimensional volumes of anatomy and diagnostic data. The requirements for clinical practice vary greatly by country.
The first article on the history of ultrasound was written in 1948. [3] According to its author, during the First World War, a Russian engineer named Chilowski submitted an idea for submarine detection to the French Government. The latter invited Paul Langevin, then Director of the School of Physics and Chemistry in Paris, to evaluate it.
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Diagnostic Medical Sonography Degree Prerequisites: When enrolled in a degree seeking program, most colleges or universities will have a core curriculum that is required before starting ultrasound courses. The core studies are designed to prepare students for the specialized and more technical nature of the degree major.
The field first emerged in venues like the journal Social Studies of Science by scholars working in science and technology studies and communication studies; it has however greatly expanded and now includes a broad array of scholars working in music, anthropology, sound art, deaf studies, architecture, and many other fields besides.
Sonographer doing an echocardiogram of a child Echocardiogram in the parasternal long-axis view, showing a measurement of the heart's left ventricle. Health societies recommend the use of echocardiography for initial diagnosis when a change in the patient's clinical status occurs and when new data from an echocardiogram would result in the physician changing the patient's care. [7]
Biology is the overall natural science that studies life, with the other life sciences as its sub-disciplines. Some life sciences focus on a specific type of organism. For example, zoology is the study of animals, while botany is the study of plants. Other life sciences focus on aspects common to all or many life forms, such as anatomy and ...
Priestley, who migrated to the United States in 1794, was the first of thousands of talented scientists drawn to the United States in search of a free, creative environment. [6] Alexander Graham Bell placing the first New York to Chicago telephone call in 1892. Other scientists had come to the United States to take part in the nation's rapid ...