Virtual world security inspection

Virtual property theft is a serious problem that exists in virtual worlds. Legitimate users of these worlds invest considerable amounts of time, effort and real-world money into obtaining virtual property, but unfortunately, are becoming victims of theft in high numbers. It is reported that there are over 1 billion registered users of virtual worlds containing virtual property items worth an estimated US$50 billion dollars. The problem of virtual property theft is complex, involving many legal, social and technological issues. The software used to access virtual worlds is of great importance as they form the primary interface to these worlds and as such the primary interface to conduct virtual property theft. The security vulnerabilities of virtual world applications have not, to date, been examined. This study aims to use the process of software inspection to discover security vulnerabilities that may exist within virtual world software – vulnerabilities that enable virtual property theft to occur. Analyzing three well know virtual world applications World of Warcraft, Guild Wars and Entropia Universe, this research utilized security analysis tools and scenario testing with focus on authentication, trading, intruder detection and virtual property recovery. It was discovered that all three examples were susceptible to keylogging, mail and direct trade methods were the most likely method for transferring stolen items, intrusion detection is of critical concern to all VWEs tested, stolen items were unable to be recovered in all cases and lastly occurrences of theft were undetectable in all cases. The results gained in this study present the key problem areas which need to be addressed to improve security and reduce the occurrence of virtual property theft

What do we know about the attitudes, experiences and needs of Black and minority ethnic carers of people with dementia in the United Kingdom? A systematic review of empirical research findings

This paper reviews recent literature on the experiences, attitudes and needs of caring for someone with dementia in Black and minority ethnic communities in the United Kingdom. Eight articles, which investigated carer experiences from Black and minority ethnic communities when caring for someone with dementia, were critically appraised. All eight studies used a qualitative methodology. The review identified several themes and issues across the qualitative studies. These included memory loss being viewed as a normal process of ageing, care being perceived as an extension of an existing responsibility, a poor understanding of what support services provide, the influence of migration, the impact of stigma and increased female responsibility. Methodological limitations of the research literature studies are also highlighted and clinically relevant implications are discussed, alongside recommendations for future research in this area

Situation awareness: when nurses decide to admit or not admit a person with mental illness as an involuntary patient

Aim This paper will explore the application of situation awareness in nursing to determine its suitability as a framework to study how the decision to admit or not admit a person as an involuntary patient is made. Background The decision by a specially qualified nurse to admit or not admit a person to a mental health facility against their will remains a central component of contemporary mental health legislation. The decision has an impact on a person\u27s autonomy and human rights. Conversely, the decision to admit may facilitate urgent assessment and treatment and ensure the safety of the individual and others. Research highlights that decision-making in this context is challenging due to the multiple information sources and often incomplete information available to the clinician. Situation awareness is a concept used to explain how practitioners identify, use and make meaning of a multitude of factors and elements relevant to their practice. Design Discussion paper. Data sources A search of terms related to situation awareness and mental health nursing was conducted in the period 2000 - present. Implications for nursing Exploring nurses decision-making using a situation awareness framework provides for a more nuanced understanding of nurses knowledge and skill when deciding to admit or not a person as an involuntary patient. Conclusion The concept of situation awareness provides a framework to better understand the decision-making process associated with the involuntary admission decision

Approach Considerations in Aircraft with High-Lift Propeller Systems

NASA's research into distributed electric propulsion (DEP) includes the design and development of the X-57 Maxwell aircraft. This aircraft has two distinct types of DEP: wingtip propellers and high-lift propellers. This paper focuses on the unique opportunities and challenges that the high-lift propellers--i.e., the small diameter propellers distributed upstream of the wing leading edge to augment lift at low speeds--bring to the aircraft performance in approach conditions. Recent changes to the regulations related to certifying small aircraft (14 CFR x23) and these new regulations' implications on the certification of aircraft with high-lift propellers are discussed. Recommendations about control systems for high-lift propeller systems are made, and performance estimates for the X-57 aircraft with high-lift propellers operating are presented

Detecting Differences in Communication During Two Types of Patient Handovers: A Linguistic Construct Categorization Approach

Health Professions - Clinical: 4th Place, Honorable Mention (The Ohio State University Denman Undergraduate Research Forum)Patient handovers are a critical point in the patient care process. Software to identify differences in communication content and strategies across different types of patient handovers could be helpful in customizing physician training programs. To determine whether there were differences, Linguistic Inquiry and Word Count (LIWC) software was used. The primary measure was the LIWC output score, which is the frequency of mention of words in a construct category divided by the total number of words in the handover transcript. Two types of constructs were investigated: 1) content, which included name/age, care plan, prognosis, and family, and 2) strategy, which included questioning and collaborative cross-checks. We hypothesized that the Emergency Department (ED) to hospital transfer compared to Intensive Care Unit (ICU) sign-outs would have more discussion of family and less of the patient’s prognosis, as well as more collaborative cross-checks. A two-tailed t-test was used to detect differences. One hypothesis was confirmed, that there was less discussion of prognosis in the ED as compared to the ICU handover. Unexpected findings were less discussion of the care plan and more questioning in the ED as compared to the ICU handover. Findings confirm that both communication content and strategies are different for the two types of patient handovers and that an automated analysis approach can detect differences across a set of handover transcripts.Academic Major: Neuroscienc

The Effect of Hip and Hamstring Pathology on Sacroiliac Joint Dysfunction: A Case Series

Background and Purpose The purpose of this study was to determine if there was a relationship between hamstring and/or hip mobility and/or weakness that affects SI joint dysfunction (SIJD). Due to anatomical proximity, the hamstring muscle could potentially be involved in SIJD because of the muscle’s attachment site on the pelvis. In addition, problems that occur within the hip joint are in near proximity to the SIJ. There is limited literature exploring these relationships of hip and hamstring abnormalities with SIJ pathology and provided an area of research to explore. Methods Two patients referred to a physical therapy clinic with medical diagnosis of SIJD, were analyzed and compared to the control group. Passive goniometric measurements at the hip were taken for flexion, abduction, internal rotation, and external rotation, as well as hamstring length. Strength measurements for the hip flexors, extensors, abductors, external rotators, internal rotators, and knee flexors were taken with a handheld dynamometer. Measurements were taken during the initial evaluation, so the physical therapist administering the tests was not blinded to the patients’ diagnoses. Results When comparing the affected SIJ side to the unaffected side, a difference was found in both hip and hamstring strength side to side. No difference was found in hamstring length or hip ROM when comparing side to side. Conclusion There seems to be a relationship between SIJD and decreased strength in the ipsilateral hamstrings and hip musculature. However, the low number of patients in this series limits this conclusion, and future research with more patients is required to draw stronger conclusions

Electronic Health Record-Based Surveillance for Community Transmitted COVID-19 in the Emergency Department

Introduction: SARS-CoV-2, a novel coronavirus, manifests as a respiratory syndrome (COVID-19) and is the cause of an ongoing pandemic. The response to COVID-19 in the United States has been hampered by an overall lack of diagnostic testing capacity. To address uncertainty about ongoing levels of SARS-CoV-2 community transmission early in the pandemic, we aimed to develop a surveillance tool using readily available emergency department (ED) operations data extracted from the electronic health record (EHR). This involved optimizing the identification of acute respiratory infection (ARI)-related encounters and then comparing metrics for these encounters before and after the confirmation of SARS-CoV-2 community transmission.Methods: We performed an observational study using operational EHR data from two Midwest EDs with a combined annual census of over 80,000. Data were collected three weeks before and after the first confirmed case of local SARS-CoV-2 community transmission. To optimize capture of ARI cases, we compared various metrics including chief complaint, discharge diagnoses, and ARI-related orders. Operational metrics for ARI cases, including volume, pathogen identification, and illness severity, were compared between the pre- and post-community transmission timeframes using chi-square tests of independence.Results: Compared to our combined definition of ARI, chief complaint, discharge diagnoses, and isolation orders individually identified less than half of the cases. Respiratory pathogen testing was the top performing individual ARI definition but still only identified 72.2% of cases. From the pre to post periods, we observed significant increases in ED volumes due to ARI and ARI cases without identified pathogen.Conclusion: Certain methods for identifying ARI cases in the ED may be inadequate and multiple criteria should be used to optimize capture. In the absence of widely available SARS-CoV-2 testing, operational metrics for ARI-related encounters, especially the proportion of cases involving negative pathogen testing, are useful indicators for active surveillance of potential COVID-19 related ED visits