“Head-CT is not only most frequently ordered in the ED, but also during the most complex ED visits, suggesting that the ICD-10 codes associated with such exams do not appropriately reflect patient complexity,” stated coauthor Ryan Lee, M.D., a radiologist at Einstein Healthcare Network, “The valuation process should also consider the complexity of associated billed patient encounters.”Source: Harvey L. Neiman Health Policy Institute Of the 6,363,404 head-CT exams in 2017, 56.1% were performed in the ED and 70% of non-contrast exams performed in the ED were ordered in the most complex patient encounters (level 5 visits). The most common diagnosis reported for head-CT scans without contrast agents in level 5 visits were “dizziness and giddiness”, and for head-CT without and with contrast agents was “headache”.”Melissa M. Chen, MD, Lead Author, Clinical Neuroradiologist, University of Texas MD Anderson Cancer Center Reviewed by James Ives, M.Psych. (Editor)May 20 2019Computed tomography (CT) of the head uses special X-ray equipment to help assess head injuries, dizziness, and other symptoms of the brain. This new study, published online in Current Problems in Diagnostic Radiology, evaluates the complexity of patients undergoing head-CT examinations.Chen and her co-investigators used 2017 Medicare claims data to identify the most common site for performing head-CT examinations. After finding the most common site was emergency departments (ED), the authors classified the data by the complexity of the patient’s ED visit. The visits were analyzed by the level of complexity (1-least complex to 5-most complex patient) as well as the diagnosis reported on the billed head CT claims.
Credit: CC0 Public Domain Citation: Phishing success linked to incentives and sticking to an effective strategy (2018, February 21) retrieved 18 July 2019 from https://phys.org/news/2018-02-phishing-success-linked-incentives-effective.html Not all phishing campaigns work, but when an attacker perseveres with a strategy that does it is the key to their success. That’s the finding of a new study focusing on the attacker, a largely ignored but crucial aspect of phishing. In addition to identifying successful strategies, it also reveals that attackers are motivated by quicker and larger rewards—with creative individuals putting more effort into constructing these malicious emails. Insights from the study, published today in open-access journal Frontiers in Psychology, can be used to develop tools and training procedures to detect phishing emails. Provided by Frontiers Gone phishin’: CyLab exposes how our ability to spot phishing emails is far from perfect “We find specific phishing strategies, such as the use of authoritative tone, expressing shared interest and sending notifications, are more likely to succeed,” says Dr. Prashanth Rajivan, lead author of the study and based at Carnegie Mellon University, Pennsylvania, USA.Phishing is a common form of cyber-attack. Criminals impersonate a trustworthy third party to persuade people to visit fraudulent web sites or download malicious attachments, with the intent of compromising their security. While research has largely focused on the victims of these crimes, this new study looks at a critical aspect of phishing: the attacker’s behavior and strategies.”We created a game-like experiment to assess how well different strategies work, and to understand how incentives and success rates, or an individual’s creativity, can affect motivation,” explains Dr. Rajivan.In the experiment, human participants play the role of a phishing attacker and accumulate points, over a number turns, for successfully deceiving other people who are the ‘end-user’ performing an email management task. The game was carefully constructed to train and reward people into producing phishing emails that employ different strategies and topics.Strategies that were less likely to succeed included ‘offering deals,’ ‘selling illegal materials’ and ‘using a positive tone.'”People may be less receptive to strategies associated with scams that worked a decade ago,” explains Dr. Rajivan. “More successful strategies today would be ‘sending notifications,’ ‘use of authoritative tone,’ ‘taking advantage of trust by impersonating a friend or expressing shared interest,’ and ‘communicating failure’.”The repeated design of the game allowed the researchers to assess the attacker’s tactics over time. This revealed that perseverance with a successful strategy, rather than switching from one to another, can yield better results. The researchers attribute this to the attackers improving the email text at each turn.Incentives had a direct influence on motivation, with delayed rewards resulting in lesser effort. The easier and sooner high rewards were gained, the more effort an attacker applied to designing persuasive emails, as did individuals who scored high in a ‘creativity’ test. There was no evidence to suggest, however, that creativity could be used as a predictor of phishing success.”There has been a resurgence in phishing attacks in recent years and the regular, non-expert users of the Internet are usually the victims of these crimes. We need to improve current security practices to change the incentive structure for the attacker. If the rewards are greater than the costs, attackers will continue to exert more effort into phishing campaigns,” says Dr. Rajivan. “We think that attackers with higher creativity may be capable of changing and adapting emails to evade detection, even though their creativity cannot determine how much success they achieve in getting the end-user to respond.”He continues, “Our novel experimental design could be used to crowdsource people to play our game, which would give us lots of information on phishing success rates and how these emails can be adapted, thereby improving detection software. In addition, we could use it as a training tool to help people think like hackers to better detect phishing emails.” Journal information: Frontiers in Psychology Explore further More information: Frontiers in Psychology (2018). DOI: 10.3389/fpsyg.2018.00135 , https://www.frontiersin.org/articles/10.3389/fpsyg.2018.00135/full This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
Provided by Imperial College London This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. SpiraSense, founded by Imperial student George Winfield, is developing the low-cost sensors to speed up the diagnosis and treatment of sepsis in hospital patients. Sepsis is a life-threatening condition responsible for 44,000 deaths every year in the UK. It arises when the body overwhelmingly over-reacts in trying to control an infection, injuring its own healthy organs and tissue in the process, and is a particular risk for people already in hospital because of another serious illness.If it is caught early and treated quickly, most people make a full recovery. But without rapid treatment, sepsis can quickly lead to multiple organ failure and death in just a few hours. Low-cost solutionOne of the early symptoms of sepsis is rapid breathing. Currently, breathing rate is measured manually by doctors on observation rounds.Tests show that SpiraSense can monitor respiratory rate continuously, as well as detecting other biomarkers for organ failure using only the patient’s breath—something that would usually require an invasive and intermittent blood test. If adopted, an AI powered app could then alert doctors to possible patient deterioration in real time, allowing for faster diagnosis and treatment. George, who is undertaking an MRes in Medical Device Design & Entrepreneurship at Imperial, said: “The device learns from every breath a patient takes. It would allow doctors to see trends that might not be immediately apparent from manual observations, giving them more information to make an informed decision about patient care.” Their small paper sensors, which are about the size of a postage stamp, are designed to attach to any breathing mask or nasal cannula already used in hospitals, potentially offering a low cost solution. SpiraSense was awarded a £7,000 prize package, including a 12-month membership at the Imperial Incubator and £5,000 to support the business’s growth. George is currently engaged with securing further funding to develop his device ready for clinical testing. Citation: Paper sensor to speed up sepsis diagnosis wins innovation competition (2018, May 31) retrieved 18 July 2019 from https://phys.org/news/2018-05-paper-sensor-sepsis-diagnosis-competition.html Boosting growth Delivered in partnership with NatWest, the Innovators’ Programme is the Imperial Incubator’s flagship pre-accelerator programme. It aims to support the development of technology focussed early-stage companies by providing funding, mentoring, access to Imperial’s innovation ecosystem, free space to work, and training in areas such as fundraising, team building, IP, marketing and pitch practice. The programme runs twice a year at the White City Incubator, and is aimed at Imperial alumni, current students, and tech businesses from the local area. George added: “It has been fantastic to work with such a diverse range of people and businesses on this programme. You really learn a lot from other perspectives and approaches. “The mentoring on the programme has been especially valuable. It’s great to be able to bounce ideas around with people who have such great experience and networks.” The programme culminated in a pitching event on the 24 May, where eight participating businesses pitched their ideas to a panel of judges. The panel included Dr. Govind Pindoria—Director of the Venture Support Unit at Imperial Innovations, Rebeca Santamaria-Fernandez—Head of Corporate Partnerships for the Faculty of Engineering at Imperial, Rebecca Wilson—Head of Corporate Partnerships for the Faculty of Natural Sciences atImperial, Chris Tilley – Director of the Investor Club at Coutts Private Banking, and Peter Ryan-Bell—Head of Large Corporate & Sectors UK & Western Europe at RBS. Runners up Rightly, founded by Alexander Arbuthnot and Tom Andrews, took home second prize for their start-up that allows consumers control over how their data is used by companies by automating subject rights requests enabled under DGPR. Local White City resident Sasha Pinnock was awarded third prize for SP Tracked Safety Jackets, a business that creates GPS trackable high-vis jackets. The jackets would allow parents and guardians of small children or carers of vulnerable adults to keep track of where their loved-ones are and monitor their safety Fourth prize went to ifPlus, founded by Imperial College Business School alumnus Tassilo Vogel, a decision-making tool and knowledge sharing platform that would allow users to search for advice for a variety of different situations. Breath test breakthrough for early diagnosis of oesophageal and gastric cancer Credit: Imperial College London A student-founded startup creating paper sensors to monitor breathing rates of hospital patients has won the White City Innovators’ Programme. Explore further
SHARE With launch of Ujjwala scheme, 97% households in Karnataka have LPG connections Published on RELATED COMMENTS This has been the world’s largest poverty alleviation programme, said the Vice President of India COMMENT In the last 32 months, six crore LPG connections have been disbursed under the Ujjwala scheme. File photo – THE HINDU January 02, 2019 LPG ‘Ujjwala connections get three refills annually on an average’ SHARE SHARE EMAIL The Union Minister for Petroleum and Natural Gas, Dharmendra Pradhan, said that there have been 23 crore refills under the Pradhan Mantri Ujjwala Yojana till now.Speaking at an event,Pradhan said, “In the last 32 months, six crore connections have been disbursed under the Ujjwala scheme and 80 per cent of the recipients have opted for a refill of Liquefied Petroleum Gas (LPG) cylinders.”“There have been up to 12 refills in some cases but the average refilling is four for the Ujjwala connections,” he added.Lauding the Centre’s efforts for the success of the scheme, Vice President of India, M Venkaiah Naidu, said, “This has been the world’s largest poverty alleviation programme. There has been no comparable achievement by recent governments. LPG coverage stood at 50 per cent of the country in 2014 when the scheme started. It has now grown to 90 per cent in December 2018.”
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Cost-cutting efforts have taken place since then and," said Ninth Judicial District Administrator Paul Maatz. Apple TV and the Mac Mini. who for 35 years has owned the neighborhood’s Librairie du Temple, A search of the man’s Muenster apartment late Saturday turned up more fireworks and a deactivated AK47 assault rifle. Buhari’s Congress for Progressive Change (CPC) party filed a petition to challenge the election results in May Authorities said officers pulled over Keithian Roberts and Christopher Mitchell after noticing Mitchell sitting in the front passenger seat without a seatbelt, as well as carrying a concealed weapon and unlawful display of license plates.Republicans deny that voting law changes passed by Republican-dominated legislatures are discriminatory and say they are intended to reduce fraudulent votes.Jaeger and Silrum said they could not respond directly to an assertion in the lawsuit that residents on reservations have to travel long distances to obtain a state ID.
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