"Sensitivity and specificity" Essays and Research Papers

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    Lymphadenopathy

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    Introduction Lymphadenopathy implies the existence of the disease in lymph nodes that is usually associated with lymph node enlargement. Enlargement of lymph nodes often occurs followed by the proliferation of resident normal cells or infiltration of outside normal or abnormal cells. Rarely‚ this enlargement can be caused by vascular changes (congestion‚ vascularization‚ and edema) (1‚ 2). Histopathology and cytology are used for the direct evaluation of origin and type of the lymph node cells. Cytology

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    Chronic Kidney Disease

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    hypertension and increased levels of cardiac biomarkers. Cardiac biomarkers include Creatinine Phosphokinases and Troponins. Cardiac Troponins (Troponin T ‚ Troponin I ) are preferred over creatinine phosphokinase( CPK-MB) because their higher sensitivity and specificity for myocardium[3]. Preferred marker for any myocardial injury in any patient are Cardiac Troponins T and I only including patients suffering from CKD‚ acute kidney injury. Patients who are having CKD and present with clinical signs and

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    Peace Education

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    education? Answer :by Maiyo Julius Peace Education Peace education is a unifying and comprehensive concept that seeks to promote a holistic view of education. However‚ its relevance is inextricably part of and is highly dependent on contextual specificity (Bloomfield‚ 1986). UNESCO (2001) states that Peace Education is more effective and meaningful when adopted according to the social and cultural context and the needs of a country. It should be enriched by its cultural and spiritual values together

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    Biliary Obstruction Essay

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    has developed new techniques for evaluation of biliary tract such as magnetic resonance cholangiopancreatography (MRCP) and diffusion-weighted imaging (DWI). (Stroszczynski‚ Blechacz&Gore‚ Adamek‚ Suthar) Study shows that MRCP has high sensitivity and specificity in terms of identifying presence and level of obstruction but is less helpful when it comes to differentiating

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    Legionnaires Disease: A Case Study Melinda Cramer Am J Crit Care 2003;12:234-238 © 2003 American Association of Critical-Care Nurses Published online http://www.ajcconline.org Personal use only. For copyright permission information: http://ajcc.aacnjournals.org/cgi/external_ref?link_type=PERMISSIONDIRECT Subscription Information http://ajcc.aacnjournals.org/subscriptions/ Information for authors http://ajcc.aacnjournals.org/misc/ifora.xhtml Submit a manuscript http://www.editorialmanager.com/ajcc

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    Sonography Summary

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    In the article‚ Role of B-Color and Resolution Sonography Presets for the Diagnosis of Lower Extremity Deep Vein Thrombosis‚ a study was conducted by ARDMS- certified sonographers who used an L9-3 linear probe on 284 patients (older than 18 years old) to test three modalities of sonographic imaging to determine if they would help spot an acute DVT during a lower extremity venous duplex. The three modalities used for this test was 2D imaging‚ resolution preset and B-color preset. Other variables/factors

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    Analysis Of Ki67 Staining

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    Very little of the specific gene is needed to amplify the gene. The method is also very specific as it combines the specificity of the primers and the fluorescence of the Taqman® probe. Limitations: qPCR is an expensive method with high cost of equipment and cost of chemicals. The great sensitivity of this method makes is also its vulnerability‚ as the slightest error in the sample quality‚ RNA extraction or reverse transcriptation process can influence

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    A magnetic resonance angiogram (MRA) as approved can identify vertebral or basilar occlusion as it have sensitivity of as high as 97% and a specificity of as high as

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    Achilles Tendon Injury 1. Anatomy: 2. Pathology: – Achilles tendonitis – Achilles tendon rupture – Achilles tendon avulsion Anatomy • Largest tendon in the body • Achilles tendon forms from the union of gastrocnemius (medial and lateral) and soleus tendons • Blood supply: posterior tibial artery Imaging • • Figure 1. Normal MRI of the Achilles tendon demonstrates this to be a well defined hypointense (dark) structure (arrow) inserting onto the calcaneus‚ thereafter becoming

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    DISTINGUISHING BETWEEN SCREENING TEST AND DIAGNOSTIC TESTS A diagnostic test is any kind of medical test performed to aid in the diagnosis of detection of a suspected disease or condition. This is different from a screening test which is used when not when a disease or condition is suspected‚ but when people are considered to be at high risk of developing a disease or condition. Diagnostic test are usually performed after a positive screening test to establish a definitive diagnosis. They are

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