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Displaying results 57 - 64 of 857
  • A Survey of Data Recording Procedures at New York City Emergency Departments

    Content Type: Abstract

    Data is collected daily by the DOHMH from 49 of the 52 NYC EDs, representing approximately 95% of all ED visits in NYC. Variability in data fields between and within EDs has been noticed for some time. Differences in chief complaint (CC)… read more
    … the 52 NYC EDs, representing approximately 95% of all ED visits in NYC. Variability in data fields between and within … on the DOHMH’s ability to consistently categorize ED visits into syndrome groupings, which may alter how … hospital based emergency department (ED) survey and site visit project conducted by the New York City (NYC) …
  • Increase in Pneumonia Cases as an Early Indicator of Severe and Pandemic Influenza Outbreak

    Content Type: Abstract

    Objective To enable the early detection of pandemic influenza, we have designed a system to differentiate between severe and mild influenza outbreaks. Historic information about previous pandemics suggested the evaluation of two… read more
    … and can be diagnosed immediately in a physician office visit, while a confirmed influenza diagnosis requires a … and can be diagnosed immediately in a physician office visit, while a confirmed influenza diagnosis requires a … outpatient office and hospital emergency room (ER) visits in selected counties in Virginia and Maryland, and …
  • Diagnosis Coding Anomalies Resulting in Hemorrhagic Illness Alerts in Veterans Health Administration Outpatient Clinics

    Content Type: Abstract

    The Veterans Health Administration (VHA) operates over 880 outpatient clinics across the nation. The Johns Hopkins Applied Physics Laboratory’s Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE) utilizes… read more
    … Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detection of abnormal patterns of disease … Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detec- tion of abnormal patterns of … Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detection of abnormal patterns of disease …
  • Approach to Onboarding Emergency Medical Services (EMS) Data Into a Syndromic Surveillance System

    Content Type: Abstract

    Syndromic surveillance has become an integral component of public health surveillance efforts within the state of Florida. The near real-time nature of these data are critical during events such as the Zika virus outbreak in Florida in 2016 and in… read more
    … systems typically utilize emergency department (ED) visit data, ESSENCE-FL also includes data from non-traditional sources: urgent care center visit data, mortality data, reportable disease data, and … systems typically utilize emergency department (ED) visit data, ESSENCE-FL also includes data from …
  • Building an automated Bayesian case detection system

    Content Type: Abstract

    Current practices of automated case detection fall into the extremes of diagnostic accuracy and timeliness. In regards to diagnostic accuracy, electronic laboratory reporting (ELR) is at one extreme and syndromic surveillance is at… read more
    … immediate, and ELR is delayed 7 days from initial patient visit. A plausible solution, a middle way, to the extremes … mediate, and ELR is delayed 7 days from initial patient visit.1 A plausible solution, a middle way, to the extremes … Figure 1 shows chart of percent daily expected ED flu visits from July to December of 2009. Average daily ED …
  • Evaluating the Performance of a Spatial Scan Statistic Using Simulated Outbreak Characteristics

    Content Type: Abstract

    Research evaluating the use of spatial data for surveillance purposes is ongoing and evolving. As spatial methods evolve, it is important to characterize their effectiveness in real-world settings. Assessing the performance of… read more
    … outbreak data (signal) into actual background visit data. These studies focused on either temporal data, a … synthetic outbreak data (signal) into actual back- ground visit data.1,2,3 These studies focused on either temporal … and longitude using ESRI ArcGIS 8.3. For each week of visit data we used a cluster creation tool4 to insert one of …
  • Emergency Department Chief Complaint Versus Discharge Diagnosis for Tracking Disease Measures

    Content Type: Abstract

    ESSENCE is a web-based syndromic surveillance system utilized by DHMH to detect and track outbreaks, suspicious patterns of illness, public health emergencies, and biological threats. ESSENCE ED chief complaint data is collected daily from 47… read more
    … text field that lists the patient’s reason for the ED visit upon arrival at the hospital. Chief complaint data may … include a single reason or multiple reasons for the ED visit. Medical history may be included in chief complaint … text field that lists the patient’s reason for the ED visit upon arrival at the hospital. Chief complaint data may …
  • Enhanced Surveillance of Nonfatal Emergency Department Opioid Overdoses in California

    Content Type: Abstract

    The opioid epidemic is a multifaceted public health issue that requires a coordinated and dynamic response to address the ongoing changes in the trends of opioid overdoses. Access to timely and accurate data allows more targeted and effective… read more
    … opioid overdose, and heroin overdose emergency department visits; identify demographic groups or areas within … crisis throughout California. Emergency department (ED) visit data are analyzed on an ongoing quarterly basis to monitor the proportion of all ED visits that are attributed to nonfatal drug, opioid, and …