Twitter is a free social networking and micro-blogging service that enables its millions of users to send and read each other's “tweets,” or short, 140-character messages. The service has more than 190 million registered users and processes about 55 million tweets per day. Useful information about news and geopolitical events lies embedded in the Twitter stream, which embodies, in the aggregate, Twitter users' perspectives and reactions to current events. By virtue of sheer volume, content embedded in the Twitter stream may be useful for tracking or even forecasting behavior if it can be extracted in an efficient manner. In this study, we examine the use of information embedded in the Twitter stream to (1) track rapidly-evolving public sentiment with respect to H1N1 or swine flu, and (2) track and measure actual disease activity. We also show that Twitter can be used as a measure of public interest or concern about health-related events. Our results show that estimates of influenza-like illness derived from Twitter chatter accurately track reported disease levels.

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The Use of Twitter to Track Levels of Disease Activity and Public Concern in the U.S. during the Influenza A H1N1 Pandemic

The American College of Surgeons

Issues. The major physical and psychological health effects of methamphetamine use, and the factors associated with such harms. Approach. Comprehensive review. Key Findings. Physical harms reviewed...

Major physical and psychological harms of methamphetamine use

The Internet is an important source of health information. Thus, the frequency of Internet searches may provide information regarding infectious disease activity. As an example, we examined the relationship between searches for influenza and actual influenza occurrence. Using search queries from the Yahoo! search engine ( http://search.yahoo.com ) from March 2004 through May 2008, we counted daily unique queries originating in the United States that contained influenza-related search terms. Counts were divided by the total number of searches, and the resulting daily fraction of searches was averaged over the week. We estimated linear models, using searches with 1-10-week lead times as explanatory variables to predict the percentage of cultures positive for influenza and deaths attributable to pneumonia and influenza in the United States. With use of the frequency of searches, our models predicted an increase in cultures positive for influenza 1-3 weeks in advance of when they occurred (P < .001), and similar models predicted an increase in mortality attributable to pneumonia and influenza up to 5 weeks in advance (P < .001). Search-term surveillance may provide an additional tool for disease surveillance.

Using internet searches for influenza surveillance.

庸言 = The justice

INTRODUCTION No widely accepted, specialized medical training exists for police officers confronted with medical emergencies while under conditions of active threat. The purpose of this study was to assess medical decision-making capabilities of law enforcement personnel under these circumstances. METHODS Web-based surveys were administered to all sworn officers within the county jurisdiction. Thirty-eight key actions were predetermined for nine injured officer scenarios, with each correct action worth one point. Descriptive statistics and t-tests were used to analyze results. RESULTS Ninety-seven officers (65.1% response rate) responded to the survey. The majority of officers (68.0%) were trained to the first-responder level. Overall mean score for the scenarios was 15.5 +/- 3.6 (range 7-25). A higher level of medical training (EMT-B/P versus first responder) was associated with a higher mean score (16.6 +/- 3.4, p = 0.05 vs. 15.0 +/- 3.6, p = 0.05). Tactical unit assignment was associated with a lower score compared with non-assigned officers (13.5 +/- 2.9 vs. 16.0 +/- 3.6, p = 0.0085). No difference was noted based upon previous military experience. Ninety-two percent of respondents expressed interest in a law enforcement-oriented advanced first-aid course. CONCLUSIONS Tactical medical decision-making capability, as assessed through the nine scenarios, was sub-optimal. In this post 9/11 era, development of law enforcement-specific medical training appears appropriate.

Police officer response to the injured officer: a survey-based analysis of medical care decisions.

National trends and outcomes of cardiac arrest in opioid overdose

Introduction Based upon military experience, law enforcement has developed guidelines for medical care during high-threat conditions. The purpose of the current study was to provide a descriptive analysis of reported outcomes of law enforcement medical interventions. Methods This was a descriptive analysis of a convenience sample of cases submitted to the Wisconsin Tactical Medicine Initiative (Wisconsin USA), after the provision of successful patient care, between January 2010 and December 2015. The study was reviewed by the Mayo Foundation Institutional Review Board (Rochester, Minnesota USA) and deemed exempt. Results Nineteen agencies submitted information during the study period. Of the 56 episodes of care reported, four (7.1%) cases involved care provided to injured officers while 52 (92.9%) involved care to injured civilians, including suspects. In at least two cases, on-going threats existed during the provision of medical care to an injured civilian. Law enforcement rendered care prior to Emergency Medical Services (EMS) arrival in all but two cases. Conclusions The current case series demonstrates the life-saving potential for law enforcement personnel trained and equipped under current Tactical Combat Casualty Care (TCCC)/ Committee on Tactical Emergency Casualty Care (C-TECC) tactical casualty care guidelines. Although originally developed to save the lives of wounded combat personnel, in the civilian sector, the training appears more likely to save victims rather than law enforcement personnel. Stiles CM , Cook C , Sztajnkrycer MD . A Descriptive Analysis of Tactical Casualty Care Interventions Performed by Law Enforcement Personnel in the State of Wisconsin, 2010-2015. Prehosp Disaster Med. 2017;32(3):284–288.

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A Descriptive Analysis of Tactical Casualty Care Interventions Performed by Law Enforcement Personnel in the State of Wisconsin, 2010-2015.

Introduction:In the absence of other data, military Tactical Combat Casualty Care (TCCC) precepts are increasingly being adapted to law enforcement needs. The purpose of this study is to better describe the nature of potentially preventable law enforcement Line-of-Duty Deaths (LODDs) occurring as a result of felonious assaults.Methods:A retrospective analysis was performed of open source data available through the US Federal Bureau of Investigation (FBI) Uniform Crime Reporting (UCR) Law Enforcement Officers Killed and Assaulted (LEOKA) program for the years 1998–2007 inclusive.Results:After applying exclusion criteria, 341 victim officers were included in the study. The most common cause of death was head trauma (n = 198), followed by chest trauma (n = 90). There were 123 victim officers that suffered potentially preventable deaths; the majority of these injuries involved the chest. Over the 10-year study period, only two officers (0.6%) died from isolated extremity hemorrhage.Conclusions:The current emphasis of TCCC on control of exsanguinating extremity hemorrhage may not meet the needs of law enforcement personnel in an environment with expedited access to well-developed trauma systems. Further study is needed to better examine the causes of preventable deaths in law enforcement officers, as well as the most appropriate law enforcement tactical medical skill set and treatment priorities.

Matthew D. Sztajnkrycer

Papers

Police officer response to the injured officer: a survey-based analysis of medical care decisions.

National trends and outcomes of cardiac arrest in opioid overdose

A Descriptive Analysis of Tactical Casualty Care Interventions Performed by Law Enforcement Personnel in the State of Wisconsin, 2010-2015.

Tactical medical skill requirements for law enforcement officers: a 10-year analysis of line-of-duty deaths.

Cardiac irritability and myocardial infarction in a 13-year-old girl following recreational amphetamine overdose.