By: Richard A. Geise, Ph.D
Introduction:
Several modalities are used for obtaining medical images in the modern Radiology Department. These include both static (radiographic) and dynamic (fluoroscopic) imaging with x-rays as well as x-ray computed tomography, nuclear imaging using gamma cameras, magnetic resonance imaging and ultrasound. For the patient to receive the optimum benefit from these technologies [...]
Archive for April, 2008
MEDICAL IMAGE SCIENCE AND SAFETY IN RADIOLOGY
Posted in Biomed World on April 4, 2008 | Leave a Comment »
Sympathetic nervous system
Posted in Biomed World on April 3, 2008 | 2 Comments »
The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS).The sympathetic nervous system activates what is often termed the fight or flight response. Like other parts of the nervous system, the sympathetic nervous system operates through a series of interconnected neurons. Sympathetic neurons are [...]
Why MRI Should Replace CT for Whole Body Screening
Posted in Biomed World on April 2, 2008 | Leave a Comment »
By: Richard Semelka, MD
Considerable attention has been focused of late on screening imaging studies for the detection of early disease, including a recent article that appeared in Money magazine.[1] Computed tomographic (CT) scanning has often been cited as the modality of choice for screening examinations. This article discusses magnetic resonance imaging (MRI) as the emerging [...]
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