Navigation Links
Detection of potentially deadly atrial fibrillation dramatically improved by new algorithm
Date:5/19/2010

ndard Holter or arrhythmia event monitors, which record heartbeats over an extended period of time, accurate detection of this sporadic phenomenon is complicated by the fact that the average human heart beats 72 times per minute. "It is impractical for a trained technician to sort through data on 100,000 heartbeats in each day's recording," Chon says.

Chon's algorithm addresses the need for accurate and automatic detection in two ways: by using a novel technique to detect AF episodes that might otherwise be missed, and by enabling AF to be detected and recorded in real time, eliminating the need for manual detection after the fact.

Previous algorithms have relied upon tracking either the absence of a type of electrical activity in the heart known as the P-wave, or the variability in the timing of the contraction of the ventricle (which produces the tall spikes on an ECG tracing). While absence of P-wave fluctuations are the most telling barometer for AF, motion and noise artifacts can result in AF going undetected. Chon's algorithm, in contrast, combines three different statistical techniques, building upon the unique strengths of each to detect randomness, or markedly increased beat-to-beat variability. It is able to detect AF episodes with an accuracy of 95 percent; previous monitors have had an accuracy of only 70 to 80 percent.

The algorithm enables the TeleSentry mobile cardiac telemetry device and software in the CardioView Dx Suite to analyze the electrical information it detects in real time so it can immediately flag AF episodes, eliminating the need for technicians to spend hours analyzing the data. This is a significant improvement over traditional methods such as Holter monitors, which simply store raw data that must then be downloaded and carefully examined when the monitors are returned to a hospital or other healthcare facility.

"Early detection leads to early intervention, which is the key to saving lives," Merchan
'/>"/>

Contact: Michael Dorsey
mwdorsey@wpi.edu
508-831-5609
Worcester Polytechnic Institute
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. U.S. Department of Homeland Security Keynote to Open 16th Biodetection Technologies Conference Next Month in Arlington, VA
2. Quest Diagnostics Introduces Molecular Blood Test for Aiding Colorectal Cancer Detection
3. Transgenomic Announces the Commercial Launch of SURVEYOR(R) Scan K-RAS Mutation Detection Kit
4. New technology could boost disease detection tests speed and sensitivity
5. Hand-washing Compliance, Computer Auto Log-on/ Log-off and Patient Fall-detection are Enabled by Real Time Location System (RTLS) with Sub-room Location Accuracy
6. Interdisciplinary research team developing novel drug detection technology
7. Toxin detection as close as an inkjet printer
8. Hanson Technologies, Inc. Awarded Patent for its Advanced Food Pathogen Detection System
9. Nucleix Researchers Discover DNA Evidence May Easily be Falsified: Company Develops New Detection Technology for Preventing Biological Identity Theft
10. Toxin detection as close as an inkjet printer
11. Abbott HIV Test Demonstrates Earlier Disease Detection
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Detection of potentially deadly atrial fibrillation dramatically improved by new algorithm
(Date:8/29/2014)... are based on electrons, but one of the most ... i.e. circuits based on light (photons) instead of electrons. ... a stream of single photons and control their direction. ... attempts to achieve this control, but now scientists at ... steady stream of photons emitted one at a time ...
(Date:8/29/2014)... , Aug. 29, 2014 /PRNewswire/ - iCo ... ICOTF), today reported financial results for the six ... otherwise, are expressed in Canadian dollars and presented ... Second Quarter 2014 Highlights , Announced ... acuity (VA) primary endpoint for subjects enrolled in ...
(Date:8/29/2014)... (PRWEB) August 29, 2014 A major ... the biotech start-up dense realm of Boston-Cambridge, is gaining ... able investors. James Sherley, the Director of Boston’s Adult ... the local and national visibility of his company an ... 2013. , In addition to a social media marketing ...
(Date:8/28/2014)... Best Sanitizers, Inc., the first company to ... asks food processors and food handling professionals to prepare ... currently using to Best Sanitizers’ Alpet® E3 Plus ... fighting cross-contamination and the spread of pathogens in the ... key criteria that make a hand sanitizer most effective, ...
Breaking Biology Technology:Breakthrough in light sources for new quantum technology 2iCo Therapeutics Announces Second Quarter 2014 Financial Results 2iCo Therapeutics Announces Second Quarter 2014 Financial Results 3iCo Therapeutics Announces Second Quarter 2014 Financial Results 4The Adult Stem Cell Technology Center, LLC Participates in Multiple Stem Cell and Regenerative Medicine Conferences Before Year End 2The Adult Stem Cell Technology Center, LLC Participates in Multiple Stem Cell and Regenerative Medicine Conferences Before Year End 3The Adult Stem Cell Technology Center, LLC Participates in Multiple Stem Cell and Regenerative Medicine Conferences Before Year End 4Food Processors and Food Handlers are Encouraged to Prepare for Fall Harvest by Evaluating Their Current Hand Sanitizer Using Nine Key Criteria 2Food Processors and Food Handlers are Encouraged to Prepare for Fall Harvest by Evaluating Their Current Hand Sanitizer Using Nine Key Criteria 3
... ATLANTA, May 1 CryoLife, Inc., (NYSE: ... company, announced today,that Harvey Morgan has been elected ... Morgan is a Managing Director at Bentley,Associates L.P., ... more than 35 years of investment banking experience ...
... accelerating market penetration and revenue growth, SCOTTSDALE, ... technology company that markets the Provant(R) Wound Therapy,System, ... as Vice,President of Marketing. Most recently Mr. Robey ... Inc (KCI) for the V.A.C.(R) Therapy,brand, during the ...
... SEATTLE, May 1 Therapies under development to ... growth factor,(IGF-1) to activate its target receptor could ... gene -- p53 -- is already,compromised, according to ... Center., IGF-1 is a polypeptide hormone that ...
Cached Biology Technology:Harvey Morgan Joins CryoLife Board of Directors 2Regenesis Biomedical Advances Corporate Strategy by Appointing Vice President of Marketing 2New Study Raises Questions About Prostate Cancer Therapies Targeting Insulin-Like Growth Factor Receptor 2New Study Raises Questions About Prostate Cancer Therapies Targeting Insulin-Like Growth Factor Receptor 3
(Date:8/29/2014)... has been known about what genetic changes transform wild ... one of whom is a University of Montana assistant ... controlling the development of the brain and the nervous ... was published Aug. 28 in Science and ... at http://www.sciencemag.org/ ., The domestication of animals and ...
(Date:8/29/2014)... in German . ... natural nitrogen cycle on Earth and in biological wastewater ... to depend on nitrite as their source of energy. ... a microbiologist at the University of Vienna, has now ... alternative source of energy. The oxidation of hydrogen with ...
(Date:8/29/2014)... Bend them, stretch them, twist them, fold them: modern ... extraordinary technological potential, whether as artificial skin or electronic ... use remains a challenge but a new way of ... could be a game-changer. , Previous success in ... on the use of precious gold and silver nanowires. ...
Breaking Biology News(10 mins):New research reveals how wild rabbits were genetically transformed into tame rabbits 2New research reveals how wild rabbits were genetically transformed into tame rabbits 3Hydrogen powers important nitrogen-transforming bacteria 2Hydrogen powers important nitrogen-transforming bacteria 3Copper shines as flexible conductor 2
... to treat bacterial infections causes a continual and vicious ... and spread of resistant strains, forcing the use of ... what if it doesn,t have to be that way? ... Biochemistry and Molecular Biology,s annual meeting, titled "Driving backwards ...
... We all know that eating a calcium-rich diet is ... concept is clearly on display in any elementary school ... with celebrity icons encouraging children to make sure they ... urging school-aged children to pay attention to their dairy ...
... genes out of action allows researchers to learn what genes ... Utah biologists pioneered the field. Mario Capecchi won a Nobel ... to cripple fruit fly genes. Now, biologist Erik Jorgensen and ... nematode worms. "We developed a method that allows us ...
Cached Biology News:Putting bacterial antibiotic resistance into reverse 2Study suggests a much earlier onset for bone problems 2Study suggests a much earlier onset for bone problems 3Worm genes KO'd 2Worm genes KO'd 3Worm genes KO'd 4Worm genes KO'd 5
Mouse polyclonal antibody raised against a partial recombinant MHC2TA. NCBI Entrez Gene ID = 4261...
Mouse monoclonal antibody raised against a partial recombinant JRKL. NCBI Entrez Gene ID = JRKL...
... Polymorphic DNA Technologies also offers a DNA ... of templates including plasmids, PCR products, BACs, ... customer-provided templates such as purified plasmids or ... liquid handling robotics optimized for automated reaction ...
... a premium quality recombinant form of Thermus ... suitable for a wide range of PCR ... reproducible performance, each preparation is extensively tested ... NovaTaq DNA Polymerase possesses an integral 5′→3′ ...
Biology Products: