Wolff-Parkinson-White syndrome risk stratification: Difference between revisions
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:*Low-risk patients for life-threatening arrhythmia over the [[accessory pathway]] during [[AF]] include the following: | :*Low-risk patients for life-threatening arrhythmia over the [[accessory pathway]] during [[AF]] include the following: | ||
*Abrupt loss of conduction over the pathway during [[ exercise test]] in [[sinus rhythm]] | *Abrupt loss of conduction over the pathway during [[ exercise test]] in [[sinus rhythm]] | ||
*Intermittent loss of preexcitation during EKG or ambulatory monitoring | *Intermittent loss of preexcitation during [[EKG]] or [[ambulatory monitoring]] | ||
:*High-risk patients for life-threatening arrhythmia in the [[electrophysiologic study]] include the following: | :*High-risk patients for life-threatening arrhythmia in the [[electrophysiologic study]] include the following: | ||
* R-R<250 ms between two pre-excited complexes during induced [[ AF]] | * R-R<250 ms between two pre-excited complexes during induced [[ AF]] | ||
* The presence of multiple [[accessory pathways]] | * The presence of multiple [[accessory pathways]] | ||
* | * The finding of [[AVRT]] precipitating pre-excited [[AF]] | ||
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during inducedAF;thepresenceofmultipleaccessorypathways;the finding ofAVRTprecipitating | during inducedAF;thepresenceofmultipleaccessorypathways;the finding ofAVRTprecipitating | ||
pre-excited AF;andanaccessorypathwayrefractoryperiod o240 ms | pre-excited AF;andanaccessorypathwayrefractoryperiod o240 ms | ||
==References== | ==References== | ||
Revision as of 09:10, 15 September 2020
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Wolff-Parkinson-White syndrome Microchapters |
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Differentiating Wolff-Parkinson-White syndrome from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Wolff-Parkinson-White syndrome risk stratification On the Web |
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Wolff-Parkinson-White syndrome risk stratification in the news |
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Risk calculators and risk factors for Wolff-Parkinson-White syndrome risk stratification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Overview
Treatment is based on risk stratification of the individual. Risk stratification is performed to determine which individuals with WPW syndrome are at risk for sudden cardiac death (SCD). Sudden cardiac death in these individuals is due to the propagation of an atrial arrhythmia to the ventricles at a very high rate.
Risk Stratification
- Low-risk patients for life-threatening arrhythmia over the accessory pathway during AF include the following:
- Abrupt loss of conduction over the pathway during exercise test in sinus rhythm
- Intermittent loss of preexcitation during EKG or ambulatory monitoring
- High-risk patients for life-threatening arrhythmia in the electrophysiologic study include the following:
- R-R<250 ms between two pre-excited complexes during induced AF
- The presence of multiple accessory pathways
- The finding of AVRT precipitating pre-excited AF
ofabruptlossofconductionoverthe
pathway duringexercisetestinginsinusrhythm294–297 (Level ofEvidence:B-NR) or intermittentloss
of pre-excitationduringECGorambulatorymonitoring297 (Level ofEvidence:C-LD) are usefulfor
identifying patientsatlowriskofdevelopingrapidconductionoverthepathway
areanR-Rinterval o250 msbetween2pre-excitedcomplexes during inducedAF;thepresenceofmultipleaccessorypathways;the finding ofAVRTprecipitating pre-excited AF;andanaccessorypathwayrefractoryperiod o240 ms