Displaying results 385 - 392 of 504
The NGram CC Classifier: A Novel Method of Automatically Creating CC Classifiers Based on ICD9 Groupings
Content Type: Abstract
Syndromic surveillance of emergency department (ED) visit data is often based on computer algorithms which assign patient chief complaints (CC) to syndromes. ICD9 code data may also be used to develop visit classifiers for syndromic surveillance but… read more… visits). We used as our ICD9 classifier an existing ESSENCE filter for “lower GI” modified by removing …Syndromic Surveillance Signal Investigation in Los Angeles County
Content Type: Abstract
In the fall of 2001, the Bioterrorism Preparedness and Response (BT P&R) Unit initiated a syndromic surveillance system utilizing chief complaint data collected from Emergency Departments throughout Los Angeles County (LAC). Chief complaint data… read more… (i.e., Terrorism Early Warning Group, Pro-Med, Epi-X, ESSENCE, BioSense, ReddiNet®, VCMR, Outbreak log, coroner …Using NLP on VA Electronic Medical Records to Facilitate Epidemiologic Case Investigations
Content Type: Abstract
A major goal of biosurveillance is the timely detection of an infectious disease outbreak. Once a disease has been identified, another very important goal is to find all known cases of the disease to assist public health… read more… the first stage, we used structured data and BioSense and ESSENCE ICD 9 codes on records during the study period …Utilizing Emergency Department Data to Evaluate Primary Care Clinic Hours
Content Type: Abstract
In addition to utilizing syndromic surveillance data to respond to public health threats and prepare for major incidents, local health departments can utilize the data to examine patient volumes in the emergency departments (EDs) of… read more… hours’ impact on ED use. METHODS All 2007 ED visits from ESSENCE for the urban public hospital were analyzed for …Could Syndromic Surveillance Data be Used Effectively with Other Data Sources? A Transposable Local View
Content Type: Abstract
This panel member consultation is an International Society of Disease Surveillance (ISDS) sponsored project. It involved expert personnel in their respective area to address specific, priority questions confronting researchers, developers, and… read more… with the “core” syndromic surveillance system (i.e. Essence, BioSense, etc.), and applying/analyzing several …Occupational Visits Broad V1
Content Type: Syndrome
Query purpose: The objective is to capture work-related emergency department visits, including injuries and illnesses, among youth and adults ages 14 years and older. The minimum age of employment is 14 with a… read more… or not work-related based on the information reported to ESSENCE. It may also capture chronic injuries (regardless of … Addendum: Modified Syntax If using a local version of ESSENCE (other than NSSP), please use the appropriate … or Revised Definition: Revised Definition Date Added to ESSENCE: July 2026 Use-Cases for Definition: Case-finding: …CDC All Opioid Overdose v4 Parsed
Content Type: Syndrome
Query purpose: To assist state, local, tribal, territorial, and federal public health practitioners in monitoring emergency department (ED) visits for suspected nonfatal opioid-involved overdoses using syndromic surveillance… read more… diagnosis codes indicating acute opioid poisoning. Within ESSENCE, the syndrome query is applied to the CCDD Parsed … Revision of CDC Opioid Overdose v3 Date Added to ESSENCE: August 28, 2023 Definition Description: The opioid … diagnosis codes indicating acute opioid poisoning. Within ESSENCE, the syndrome query is applied to the CCDD Parsed …Systematic Comparison of Algorithms Used in Syndromic Surveillance
Content Type: Abstract
Varied approaches have been used by syndromic surveillance systems for aberration detection. However, the performance of these methods has been evaluated only across a small range of epidemic characteristics. Objective… read more… Weighted Moving Average (EWMA) algorithms used by the ESSENCE system [3], with smoothing constants of 0.4 and 0.9; …