Search for dissertations about: "radiological impact"

Showing result 1 - 5 of 51 swedish dissertations containing the words radiological impact.

  2. 1. Impact of Tissue Characteristics on Radio-Frequency Lesioning and Navigation in the Brain : Simulation, experimental and clinical studies

    Author : Johannes Johansson; Karin Wårdell; Hans von Holst; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Brain; Radio frequency ablation; Finite element method; Monte Carlo simulation; light reflectance; Radiological research; Radiologisk forskning;

    Abstract : Radio-Frequency (RF) lesioning, or RF ablation, is a method that uses high frequency currents for thermal coagulation of pathological tissue or signal pathways. The current is delivered from an electrode, which also contains a temperature sensor permitting control of the current at a desired target temperature. In the brain, RF lesioning can e.g. READ MORE

  4. 2. Consequences of outsourcing referrals for radiological examinations

    Author : Parvin Tavakol Olofsson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Background: Demands for ever more effective healthcare and care accessibility for all patients continue to increase the workload in diagnostic radiology departments. Along with rapid developments in imaging technology which affect its day-to-day clinical use, these are three important factors for which outsourcing might be a potential solution. READ MORE

  5. 3. Radon in natural waters : Analytical Methods; Correlation to Environmental Parameters; Radiation Dose Estimation; and GIS Applications

    Author : Isam M. Musa Salih; Eva Lund; Håkan B.L. Pettersson; Christer Samuelsson; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Radon analysis; radiation effects; Water chemistry; Water pollution; radioactive analysis; Radiological physics; Radiofysik;

    Abstract : Investigations of radon in natural water and its relation to physical and chemical parameters are outlined in this thesis. In particular, a method for measuring 222Rn in water at low concentrations (~20 mBq. READ MORE

  6. 4. Advanced radiological imaging in patients treated with Extracorporeal Memebrane Oxygenation

    Author : Marika Lidegran; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ECMO; computed tomography; magnetic resonance imaging; acute respiratory distress syndrome; thorax; abdomen; intracranial hemorrhage; cerebral infarction; follow-up;

    Abstract : Extracorporeal membrane oxygenation (ECMO) is the use of a modified heart-lung machine to support life during severe acute cardiac and/or respiratory failure. Patients on ECMO are at high risk for complications due to the severe underlying disease and to the ECMO procedure itself. READ MORE

  7. 5. Ethical Aspects of Radiation Risk Management

    Author : Per Wikman-Svahn; John Cantwell; Carl F. Cranor; KTH; []
    Keywords : HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; radiation protection; radiological protection; nuclear power; nuclear energy; social issues; ethical issues; ethics; risk; uncertainty; value judgments; precautionary principle; distributive issues; justice; limits; prioritarianism; responsibility; egalitarianism; black swan; black elephant; risk management;

    Abstract : This thesis is based on the assumption that the intersection of moral philosophy and practical risk management is a rewarding area to study. In particular, the thesis assumes that concepts, ideas, and methods that are used in moral philosophy can be of great benefit for risk analysis, but also that practices in risk regulation provide a useful testing ground for moral philosophical theories. READ MORE