Tag William Herring MD FACR

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Introduction Artificial intelligence (AI) is the field of computer science that involves the simulation of intelligent behavior by computers. It is used to predict, automate, augment, and optimize tasks historically done by humans. To provide an overall view of some…

A B C D E F G H I J K L M N O P R S T U V W Y A Absent Bow-Tie Sign Accordion Sign Air Bronchogram Air Crescent Sign Angel-Wing (Bat-Wing) Pattern Angel-Wing Sign (Spinnaker…

It is difficult to imagine the level of excitement that was felt around the world soon after the discovery of x-rays by Wilhelm Roentgen in 1895. For the first time ever, we could see inside the human body while the…

General Terminology Like politics, all terminology is local. Follow the terminology conventions used in your hospital or, alternatively, the person rendering your course grade, even if those conventions are different from what is described here. You’re Reading a Preview Become…

Ionizing Radiation in Radiology Utilizing the modalities of conventional radiography, computed tomography (CT), and fluoroscopy, diagnostic images are produced using ionizing radiation. It is well known that radiation can also have harmful effects if used in excess or certain situations.…

This is a system for diagnosing cardiac disease in adults by asking a series of questions in a set fashion , the answers to which are certain fundamental observations made from the frontal chest radiograph alone. This system is for…

How it Works A radioactive isotope (radioisotope) is an unstable form of an element that emits radiation from its nucleus as it decays. Eventually, the end product is a stable, nonradioactive isotope of another element. Radioisotopes can be produced artificially,…

Children differ physiologically from adults and are susceptible to abnormalities in development and maturation not seen in adults. They differ in anatomy (e.g., the thymus) and are more susceptible to the harmful effects of ionizing radiation. This chapter will highlight some…

Advances in neuroimaging have had a remarkable impact on the diagnosis and treatment of neurologic diseases ranging from earlier detection and treatment of stroke to a more timely diagnosis of dementia, from the rapid detection and treatment of cerebral aneurysms…