Introduction: Non-uniformity test is essentially the only required daily QC procedure in nuclear medicine practice. Noise creates statistical variation or random error in a flood image. Non-uniformity on the other hand does not have statistical nature and may be regarded as systemic error. The present methods of non-uniformity calculation do not distinguish between these two types of erro...

For the anomalous change detection problem, you have a pair of images, taken of the same scene, but at different times and typically under different viewing conditions. You are looking for interesting differences between the two images. There will be some differences that are pervasive, perhaps due to overall contrast, brightness or focus differences, or maybe due to atmospheric or even seasona...

A 52-year-old male with a history of recurrent deep venous thrombosis underwent a CT scan of the chest investigating a suspected pulmonary embolism. The scan revealed thickening of the splenic flexure with foci of air adjacent to the colon (Figure 1). The patient reported mild nausea and chronic intermittent hemorrhoidal bleeding without abdominal pain. Physical exam and labwork were unremarkab...

3 Universidade de São Paulo, Escola de Enfermagem, Departamento de Enfermagem Médico-Cirúrgica, São Paulo, SP, Brazil. ABSTRACT Objective: To search for the scientific evidence available on nursing professional actions during the anesthetic procedure. Method: An integrative review of articles in Portuguese, English and Spanish, indexed in MEDLINE/PubMed, CINAHL, LILACS, National Cochrane, SciEL...

Lots of consultations exist at the moment to evaluate cognitive capacities of the Elderly. When these patients begin to have memory problems, they often want to know if something is possible to help them and to have the opinion of specialists. We show in this article how and why we do cognitive evaluation for the Elderly.