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Effect of Magnesia Blending on the Magnetic Properties of Grain oriented Silicon Steel

Journal of Chemistry and Chemical Engineering 2014年第2期8卷 191-194页

作者： carolina cesconetto silveira sebastiāo da costa paolinelli Research Center Aperam South America Minas Gerais 35180-018 Brazil

Decarburized samples of grain oriented silicon steel were coated with alone and blended magnesias and submitted to the high temperature annealing. The magnesias and their blendings were characterized using granulometry measurements, ignition loss and reactivity tests. After high temperature annealing, forsterite film morphology, magnetic properties and Goss deviation were also analyzed. Better magnetic properties and sharper Goss orientation were found in samples which had used blended magnesias. These results are explained by the magnesias particle size distributions, forsterite film formation and rate of inhibitors release.

关键词： Forsterite glass film grain oriented magnesia silicon steel.

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Approach to Paroxysmal Atrial Fibrillation Type Arrhythmia in a Cardiology Service:A Case Report

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Modern Research in Inflammation 2020年第2期9卷 9-17页

作者： Miriam Viviane Baron Luis Manuel Ley Dominguez carolina Paz Mohamad Isa Gabriela Di Lorenzo Garcia Scherer Michele Paula dos Santos Vitoria Pereira Itaquy Talia Guimaraes dos Santos Julia Braga da silveira Paulo Ricardo Martins Amanda Correa dos Santos Marcus Vinicius de Mello Pinto Janine Koepp daiana Klein Weber Carissimi Joice Nedel ott carolina Goncalves Pinheiro Nathalia Ken Pereira Iketani Gabriela Feltez Bartira Ercília Pinheiro da costa Postgraduate Program in Medicine and Health Sciences of the Pontifical Catholic University of Rio Grande do Sul(PUC/RS) Porto AlegreBrazil Improvement of Higher Education Personnel Brazil(CAPES)Distrito FederalBrazil School of Medicine of the Pontifical Catholic University of Rio Grande do Sul(PUC/RS) Porto AlegreBrazil School of Health and Life Sciences of the Pontifical Catholic University of Rio Grande do Sul(PUC/RS) Porto AlegreBrazil Celulare Institute PetrópolisBrazil Undergraduate Nursing Course of the University of Santa Cruz do Sul(UNISC) Santa Cruz do SulBrazil Postgraduate Program in Health Sciences of the Faculty of Medicine of ABC(FMABC) Sao PauloBrazil Undergraduate Physiotherapy Course of the Vale do Salgado Faculty(FVS) CearáBrazil Physiotherapy of the Hospital Beneficiente Portuguesa of Belém ParáBrazil Rehabilitation Sciences of the Federal University of Health Sciences of Porto Alegre Porto AlegreBrazil Postgraduate Program in Medicine and Health Sciences School of Medicine of the Pontifical Catholic University of Rio Grande do Sul(PUC/RS)Porto AlegreBrazil

Atrial fibrillation is a cardiac arrhythmia of high prevalence in the population, especially in the elderly. Its main electrical characteristics are the interval between two successive irregular R waves, absence of P waves and presence of f waves between QRS complexes. The most common symptoms of atrial fibrillation are irregular palpitations associated with dyspnea, dizziness, feeling tired, fatigue and general malaise, but not all patients have any symptoms. The present report presents the history of an elderly patient who arrived at the hospital’s emergency department with irregular heart rhythm and palpitations. The patient’s symptoms, associated with the electrocardiogram results, indicated paroxysmal atrial fibrillation. Electrical cardioversion was performed, and after, cardiac ablation via the femoral vein at the hospital’s cardiology service. There were no complications during the procedure. As a routine imaging exam after ablation, control esophagogastroduodenoscopy was requested to verify that there was no formation of atrio-esophageal fistula developed by the invasive ablation procedure and electrocardiogram, which showed normal sinus rhythm. The patient remained in the cardiac intensive care unit for observation for 24 hours. After the electrical cardioversion and catheter ablation procedures, the patient improved his clinical picture of atrial fibrillation and was discharged after 24 hours of hospitalization. He received treatment to perform at home, to reduce acid reflux into the esophagus and to prevent thrombosis. He did not present pulmonary thromboembolism after hospital discharge. It is believed, therefore, that this form of treatment and management of paroxysmal atrial fibrillation is effective for the solution of the proposed problem and can also serve as a reference for other professionals within the cardiology service.

关键词： Atrial Fibrillation Electrical Cardioversion Catheter Ablation Hypertension obstructive Sleep Apnea Syndrome

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Non-Hodgkin’s Lymphoma Associated with Metastatic Lung Cancer: Case Report

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Advances in Lung Cancer 2021年第3期10卷 40-47页

作者： Miriam Viviane Baron Gabriela Di Lorenzo Garcia Scherer Célia Regina Martins Korzenieski Julia Braga da silveira carolina Boeira Soares Carina Marangoni Marcus Vinicius de Mello Pinto Aline Ronis Sampaio Alexandre Gomes Sancho Esteban Fortuny Pacheco Felice Picariello Joice Nedel ott Isabel Cristina Reinheimer carolina Gonçalves Pinheiro Nathália Ken Pereira Iketani Cristine Brandenburg danielle de Mello Florentino Patrícia Froes Meyer Bartira Ercília Pinheiro da costa Postgraduate Program in Medicine and Health Sciences of the Pontifical Catholic University of Rio Grande do Sul (PUC/RS) Porto Alegre Brazil School of Medicine of the Pontifical Catholic University of Rio Grande do Sul (PUC/RS) Porto Alegre Brazil School of Health and Life Sciences of the Pontifical Catholic University of Rio Grande do Sul (PUC/RS) Porto Alegre Brazil Celulare Institute Rio de Janeiro Brazil Unigranrio Rio de Janeiro Brazil Universidad Finis Terrae Santiago Chile Università degli Studi di Napoli Federico II Napoli Italy Postgraduate Program in Health Sciences of the Faculty of Medicine of ABC (FMABC) S&#227 o Paulo Brazil Hospital Beneficiente Portuguesa of Belém Pará Brazil Federal University of Ceará (UFC) Fortaleza Brazil Uniredentor University Rio de Janeiro Brazil Centro Universitário do Rio Grande do Norte Natal RN Brazil

Lymphomas are neoplastic transformations that affect lymphoid cells. Diffuse large B-cell non-Hodgkin’s lymphoma has a high degree of cell proliferation, accounting for 30% of all lymphomas. Lung cancer is the leading cause of death worldwide and the recommended treatment is chemotherapy. Among the main complications resulting from non-Hodgkin’s lymphoma, lung cancer and chemotherapy used in their treatment, we can mention sepsis, acute kidney injury and febrile neutropenia. Febrile neutropenia can occur by suppressing the production of neutrophils. Sepsis, a widespread infection, is the main cause of acute kidney injury, which can also be caused by hydroelectrolytic complications or by nephrotoxicity. This is a report of a smoking patient with metastatic lung cancer who sought care due to progressive dysphagia, cough with chest pain, fever, and lower airways critical obstruction due to mediastinal lymphadenopathy, being diagnosed with diffuse large B-cell non-Hodgkin’s lymphoma. The patient evolved to death because of a significant worsening of the ventilatory pattern of multifactorial cause, mainly due to sepsis, acute kidney injury, and febrile neutropenia. The patient had mostly classic characteristics of her comorbidities, however, the overlapping of interrelated comorbidities led to the outcome of death. What is unusual about the present case report is that the patient’s characteristics, such as age, sex, and ethnicity, are opposite to those described as risk factors for diffuse large B-cell non-Hodgkin’s lymphoma.

关键词： Acute Kidney Injury Febrile Neutropenia Sepsis Chemotherapy

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