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Microvolt T-Wave Alternans
2011
Journal of the American College of Cardiology
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Those tests have no prognostic value per se. MMA method. ANALYSIS APPROACH. The MMA method employs the noise-rejection principle of recursive averaging (75) . ...
In the Brugada syndrome, sodium channel blockade provokes the diagnostic ECG changes as well as macroscopic TWA and arrhythmias (111) . ...
doi:10.1016/j.jacc.2011.06.029
pmid:21920259
pmcid:PMC4111570
fatcat:ygq74yh6qnfmrhcmiyo6vz7r34
Risk stratification of adult emergency department syncope patients to predict short-term serious outcomes after discharge (RiSEDS) study
2014
BMC Emergency Medicine
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Univariate analysis will be performed to compare the predictor variables in patients with and without primary outcome. ...
We will enroll 5,000 patients (with 125 positive for primary outcome) for robust identification of risk factors and clinical decision tool development. ...
We will also assess for lack of fit by Hosmer-Lemeshow goodness-of-fit test and for overfitting in the model by Akaike information criterion [59, 60] . ...
doi:10.1186/1471-227x-14-8
pmid:24629180
pmcid:PMC4003802
fatcat:nvjnkgbytndslnhxpdy4gxks24
Cardiac repolarization analysis using the surface electrocardiogram
2009
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
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Analysis of cardiac repolarization from the electrocardiogram (ECG) provides valuable information for stratifying patients according to their risk of suffering from arrhythmic events that could end in ...
Techniques that evaluate temporal dispersion of repolarization include the analysis of QT interval adaptation to heart rate changes, QT interval and T-wave variability, and T-wave alternans. ...
In stress tests, a set of rules involving the onset HR and episode duration has been used to decide the result of the TWA test (Bloomfield et al. 2002) . ...
doi:10.1098/rsta.2008.0230
pmid:18952549
fatcat:d7e5xpbuajcsvcdxd3743ujqmm
Ventricular Tachyarrhythmias Prediction Methods and its Prognostic Features: A Review
2019
International Journal of Computing and Digital Systems
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This article can be adopted as an initial idea and guidelines for beginners in this field to initiate their research. ...
The basic morphology of the ECG waveform and its working principle is also briefly described for better understanding of the relationship between the ECG characteristics features and the occurrence of ...
Generally, QT interval is used to identify the arrhythmogenic syndromes such as Brugada Syndrome, long QT syndrome and short QT syndrome. ...
doi:10.12785/ijcds/080404
fatcat:55lzr7oppvegdisebzygl5um4a
ACC/AHA/ESC 2006 guidelines for the management of patients with atrial fibrillation: full text: A report of the American College of Cardiology/American Heart Association Task Force on practice guidelines and the European Society of Cardiology Committee for Practice Guidelines (Writing Committee to Revise the 2001 Guidelines for the Management of Patients With Atrial Fibrillation) Developed in collaboration with the European Heart Rhythm Association and the Heart Rhythm Society
2006
Europace
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block, QTinterval prolongation, the Brugada syndrome, or structural heart disease. ...
Another reason for exercise testing is to study the adequacy of rate control across a full spectrum of activity, not only at rest, in patients with persistent or permanent AF. ...
doi:10.1093/europace/eul097
pmid:16987906
fatcat:4hcm2hisfrafbninu5z5vvo6ee
Techniques for Ventricular Repolarization Instability Assessment From the ECG
2016
Proceedings of the IEEE
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Instabilities in ventricular repolarization have been documented to be tightly linked to arrhythmia vulnerability. ...
Translation of the information contained in the repolarization phase of the ECG into valuable clinical decision-making tools remains challenging. ...
Pathological states associated with enhanced repolarization heterogeneities include ischemia, Brugada syndrome, long QT syndrome (LQTS) or heart failure. ...
doi:10.1109/jproc.2015.2500501
fatcat:umayx6hwfnafvjlsevdc3fbfnq
2011 ACCF/AHA/HRS Focused Updates Incorporated Into the ACC/AHA/ESC 2006 Guidelines for the Management of Patients With Atrial Fibrillation
2011
Journal of the American College of Cardiology
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Six-minute walk test If the adequacy of rate control is in question
Exercise testing If the adequacy of rate control is in question (permanent AF) To reproduce exercise-induced AF To exclude ischemia ...
Fluctuations in autonomic tone can produce disparate ventricular responses to AF in a given patient as exemplified by a slow ventricular rate during sleep but accelerated ventricular response during exercise ...
doi:10.1016/j.jacc.2010.09.013
pmid:21392637
fatcat:6mbvrpgzzjct7fpkscrpoov7eu
ACC/AHA/ESC 2006 Guidelines for the Management of Patients With Atrial Fibrillation: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and the European Society of Cardiology Committee for Practice Guidelines (Writing Committee to Revise the 2001 Guidelines for the Management of Patients With Atrial Fibrillation): Developed in Collaboration With the European Heart Rhythm Association and the Heart Rhythm Society
2006
Circulation
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Six-minute walk test If the adequacy of rate control is in question
Exercise testing If the adequacy of rate control is in question (permanent AF) To reproduce exercise-induced AF To exclude ischemia ...
to slow the ventricular response to AF in the acute setting, exercising caution in patients with hypotension or HF. ...
Review for the ACC/AHA/ESC Committee to Update the 2001 Guidelines for the Management of Patients With Atrial Fibrillation ...
doi:10.1161/circulationaha.106.177292
pmid:16908781
fatcat:z6nhwzzl3fhgdnr254mayi6nnq
2011 ACCF/AHA/HRS Focused Updates Incorporated Into the ACC/AHA/ESC 2006 Guidelines for the Management of Patients With Atrial Fibrillation: A Report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines
2011
Circulation
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Another reason for exercise testing is to study the adequacy of rate control across a full spectrum of activity, not only at rest, in patients with persistent or permanent AF. ...
For other selected patients without sinus or AV node dysfunction, bundle-branch block, QT-interval prolongation, the Brugada syndrome, or structural heart disease, "pill-in-the-pocket" administration of ...
Relationships With Industry-ACC/AHA Committee to Update the 2001 Guidelines for the Management of Patients With Atrial Fibrillation (UPDATED) (see the 2011 Focused Update and the 2011 Focused Update on ...
doi:10.1161/cir.0b013e318214876d
pmid:21382897
fatcat:fkme5jr3g5bmbhvqcfcawv2qdm
ACC/AHA/ESC 2006 Guidelines for the Management of Patients With Atrial Fibrillation
2006
Journal of the American College of Cardiology
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Six-minute walk test If the adequacy of rate control is in question
Exercise testing If the adequacy of rate control is in question (permanent AF) To reproduce exercise-induced AF To exclude ischemia ...
Fluctuations in autonomic tone can produce disparate ventricular responses to AF in a given patient as exemplified by a slow ventricular rate during sleep but accelerated ventricular response during exercise ...
doi:10.1016/j.jacc.2006.07.018
fatcat:kuhecx3htrastmkvxnshor5z7i
ACC/AHA/ESC 2006 Guidelines for the Management of Patients With Atrial Fibrillation--Executive Summary
2006
Circulation
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Exercise testing
If the adequacy of rate control is in question (permanent AF)
To reproduce exercise-induced AF
To exclude ischemia before treatment of selected patients
with a type IC antiarrhythmic ...
For other selected patients without sinus or AV node dysfunction, bundle-branch block, QT-interval prolongation, the Brugada syndrome, or structural heart disease, 'pill-in-the-pocket' administration of ...
doi:10.1161/circulationaha.106.177031
fatcat:poen5ilurbgyhhkrexukp6eziq
ACC/AHA/ESC 2006 guidelines for the management of patients with atrial fibrillation–executive summary
2006
European Heart Journal
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Exercise testing
If the adequacy of rate control is in question (permanent AF)
To reproduce exercise-induced AF
To exclude ischemia before treatment of selected patients
with a type IC antiarrhythmic ...
For other selected patients without sinus or AV node dysfunction, bundle-branch block, QT-interval prolongation, the Brugada syndrome, or structural heart disease, 'pill-in-the-pocket' administration of ...
doi:10.1093/eurheartj/ehl176
pmid:16885201
fatcat:z7yflnvitvfbboxlae5teopfn4
ACC/AHA/ESC 2006 guidelines for the management of patients with atrial fibrillation–executive summary. A report of the American College of Cardiology/American Heart Association Task Force on practice guidelines and the European Society of Cardiology Committee for Practice Guidelines (Writing Committee to Revise the 2001 Guidelines for the Management of Patients with Atrial Fibrillation)
2007
European Heart Journal
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Exercise testing
If the adequacy of rate control is in question (permanent AF)
To reproduce exercise-induced AF
To exclude ischemia before treatment of selected patients
with a type IC antiarrhythmic ...
For other selected patients without sinus or AV node dysfunction, bundle-branch block, QT-interval prolongation, the Brugada syndrome, or structural heart disease, 'pill-in-the-pocket' administration of ...
doi:10.1093/eurheartj/ehm315
fatcat:2lirdmfrhzf73pz5av5s4xx6ve
ACC/AHA/ESC 2006 Guidelines for the Management of Patients With Atrial Fibrillation—Executive Summary
2006
Journal of the American College of Cardiology
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Six-minute walk test If the adequacy of rate control is in question
Exercise testing If the adequacy of rate control is in question (permanent AF) To reproduce exercise-induced AF To exclude ischemia ...
Fluctuations in autonomic tone can produce disparate ventricular responses to AF, exemplified by a slow ventricular rate during sleep but accelerated ventricular response during exercise. ...
doi:10.1016/j.jacc.2006.07.009
pmid:16904574
fatcat:abntrpfkfve7tacvykyyc4pt2e
SYNCOPE RISK STRATIFICATION IN THE EMERGENCY DEPARTMENT: COMPARISON OF DIFFERENT PREDICTION MODELS AND THE POSSIBLE ROLE OF ATTRIBUTE MATCHING
[article]
2018
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In autonomic failure, sympathetic vasomotor pathways are unable to increase total peripheral vascular resistance in response to the upright position. ...
The ANN applied the framework to the new data in order to test the ability of the model to provide the correct classification (in our case, to correctly identify patients with a high risk of a serious ...
doi:10.13130/solbiati-monica_phd2018-03-07
fatcat:7qffp7p6yrenvc6cbrhktmsh6m