Switch to
| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
9
|
| pubmed:dateCreated |
1995-1-12
|
| pubmed:abstractText |
The predominant cause of inappropriate therapy by implantable antitachycardia devices with pacing and nonpacing cardioverter defibrillators, is mistaking a fast ventricular response during atrial fibrillation or flutter with true ventricular tachycardia (VT). The distinction between these arrhythmias is an important consideration in addressing the problem of reducing false-positives in detection mechanisms for implantable devices. Dual chamber analysis that examines atrial and ventricular event ratios has been proposed as a solution to this problem, but would still fail in distinguishing paroxysmal VT requiring treatment from a fast but otherwise benign ventricular response during atrial fibrillation or flutter. In this study, two methods for discriminating these tachyarrhythmias were evaluated. Method 1 examined ventricular rate and rate regularity as a method for VT detection. Method 2 combined rate and regularity as well as an additional multiplicity criterion for recognition of atrial flutter with a fast ventricular response. In 20 patients, Method 1 had 100% sensitivity of VT detection and 80% specificity for detection of atrial fibrillation or flutter. Method 2 had 90% sensitivity and 90% specificity. These results suggest that use of these algorithms in future implantable devices would result in a decrease in false-positive device therapies.
|
| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:status |
MEDLINE
|
| pubmed:month |
Sep
|
| pubmed:issn |
0147-8389
|
| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
17
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
1503-8
|
| pubmed:dateRevised |
2006-11-15
|
| pubmed:meshHeading |
pubmed-meshheading:7991421-Algorithms,
pubmed-meshheading:7991421-Atrial Fibrillation,
pubmed-meshheading:7991421-Atrial Flutter,
pubmed-meshheading:7991421-Atrial Function,
pubmed-meshheading:7991421-Decision Trees,
pubmed-meshheading:7991421-Defibrillators, Implantable,
pubmed-meshheading:7991421-Equipment Design,
pubmed-meshheading:7991421-Equipment Failure,
pubmed-meshheading:7991421-False Positive Reactions,
pubmed-meshheading:7991421-Heart Rate,
pubmed-meshheading:7991421-Humans,
pubmed-meshheading:7991421-Pacemaker, Artificial,
pubmed-meshheading:7991421-Pattern Recognition, Automated,
pubmed-meshheading:7991421-Sensitivity and Specificity,
pubmed-meshheading:7991421-Signal Processing, Computer-Assisted,
pubmed-meshheading:7991421-Tachycardia, Paroxysmal,
pubmed-meshheading:7991421-Tachycardia, Ventricular,
pubmed-meshheading:7991421-Ventricular Function
|
| pubmed:year |
1994
|
| pubmed:articleTitle |
The value of rate regularity and multiplicity measures to detect ventricular tachycardia in the presence of atrial fibrillation or flutter.
|
| pubmed:affiliation |
Department of Electrical Engineering, University of Michigan.
|
| pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't
|