Pliura 1 Cole Pliura Parkland English 102 Major #2 3/12/14 CT vs. MRI Scans Computed tomography (CT) and magnetic resonance imaging (MRI) are both diagnostic tests that provide us with high-resolution pictures of any area of the body. Both tests use computers to construct pictures to view within the body. Both of these tests are non-invasive procedures designed to provide medical professionals with a better understanding of the patient’s condition. There are‚ however‚ inherent differences
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many imaging modalities used to investigate in patient with suspected biliary abnormality such as transabdominal ultrasound‚ endoscopic ultrasound (EUS)‚ ERCP‚ CT‚ MRI or percutaneous transhepatic cholangiography (PTC). MRI has now been increasing use and can reduce the requirement of ERCP or PTC due to its accuracy for evaluation of most biliary condition. (O’Connor) Magnetic resonance imaging has now been increasingly used in a wide variety of clinical application. Magnetic resonance imaging has
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Introduction Crohn’s disease (CD) is an idiopathic chronic inflammatory disease of the gastrointestinal tract with an unpredictable course. The peak age of the onset of CD is in second to fourth decades of life‚ and its course follows a pattern of periodic recurrences and exacerbations1. CD predominantly affects the small bowel (in up to 80% of cases) and colon‚ but any part of the gastrointestinal tract may be involved‚ and more than one site may be affected. This disease is characterized by erosions
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technology in investigating cognitive processes. Technology has been very useful for the past few years in investigating cognitive process. With the use of neuro-imaging techniques‚ researchers can examine brain structure and function‚ and thus understand better the relationship between cognition and physiology. The basic neuro-imaging techniques are the PET‚ the MRI‚ and THE fMRI scan. The PET or else the positron emission tomography is used to detect brain tumors or memory disorders caused by
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Objective II.4 Explain how neurotransmitters affect behavior‚ and identify the major neurotransmitters. Key Terms neurotransmitters acetylcholine dopamine serotonin norepinephrine endorphins Exercises 1. Which of the following statements about neurotransmitters is false? a. Neurotransmitters allow impulses to flow from one neuron to another. b. Neurotransmitters prevent impulses from flowing from one neuron to another. c. Neurotransmitters are stored in the cell bodies of
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Leiomyomas Leiomyoma’s‚ also called myomas‚ or uterine fibroid these are benign tumor‚ which develop from smooth muscle cell in the myometrium. Leiomymas also called fibromyomas‚ or myomas‚ uterine fibroids have an increased risk of uterine cancer and does not develop into cancer. The 70% to 80% of women have uterine fibroids sometime during their lives‚ and it remain small and asymptomatic. It is common among women ages 30 to 50 years but not common in women with menopause. (Huether & McCance‚ 2012)
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[pic] [pic] [pic] Working together as an interdisciplinary team‚ many highly trained health professionals besides medical practitioners are involved in the delivery of modern health care. Examples include: nurses‚ emergency medical technicians and paramedics‚ laboratory scientists‚ pharmacists‚ physician assistants‚ podiatrists physiotherapists‚ respiratory therapists
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The ASRT is the national professional organization representing radiographers‚ radiation therapists‚ nuclear medicine technologists‚ mammographers‚ cardiovascular-interventional technologists‚ computed tomography technologists‚ dosimetrists‚ magnetic resonance technologists‚ educators‚ and managers. In additions to offering continuing education opportunities to its members‚ the association publishes the bimonthly journal Radiologic Technology‚ monthly newsletter ASRT Scanner‚ and biannual journal
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are surface coils‚ volume coils‚ knee positioning pads‚ sandbags‚ and Gadolinium‚ in the case of a Magnetic Resonance Angiogram. Firstly‚ in some cases‚ a surface coil is used. They are of the simplest design‚ a loop of conducting material. It is used as a transmitter of radiofrequency energy. This receiver coil is placed on the region of interest or the knee‚ in this example‚ for greater magnetic sensitivity. It’s often used because it has a good signal to noise ratio for tissue next to the coil
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Cholelithiasis is an inflammation of the gallbladder‚ muscular organ that serves as a reservoir for bile. In humans‚ it is a pear-shaped membranous sac on the undersurface of the right lobe of the liver just below the lower ribs. The inflammation involves solidification of gallstones in the biliary tract‚ usually in the gallbladder. Therefore‚ the gallstone can cause obstruction of the cystic duct. Cholelithiasis is the pathologic state of stones or calculi within the gallbladder lumen. Gallstone
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