BACKGROUND: The effective screening of @entity583 ( @entity583 ) @entity1 threatened by @entity1165 ( @entity1165 ) is an important issue in clinical practice, especially in the process of @entity737 ( @entity737 ) therapy recommendation. This study proposes new parameters describing depolarization and repolarization inhomogeneity in high resolution body surface potential maps (HR BSPM) to identify @entity583 @entity1 threatened by @entity1165 . MATERIAL/METHODS: High resolution ECGs were recorded from 64 surface leads. Time-averaged HR BSPMs were used. Several parameters for @entity943 risk assessment were calculated in 2 groups of @entity583 @entity1 : those with and without documented @entity1165 . Additionally, a control group of healthy subjects was studied. To assess the risk of @entity1165 , the following parameters were proposed: correlation coefficient between STT and QRST integral maps (STT_QRST_CORR), departure index of absolute value of STT integral map (STT_DI), and departure index of absolute value of T-wave shape index (TSI_DI). These new parameters were compared to known parameters: QRS width, QT interval, @entity1162 , Tpeak-Tend interval, total cosines between QRS complex and T wave, and non-dipolar content of QRST integral maps. RESULTS: STT_DI, TSI_DI, STT_QRST_CORR, QRS width, and QT interval parameters were statistically significant (p  <= 0.05) in @entity943 risk assessment. The highest sensitivity was found for the STT_DI parameter (0.77) and the highest specificity for TSI_DI (0.79). CONCLUSIONS: @entity943 risk is demonstrated by both abnormal spatial distribution of the repolarization phase and changed relationship between depolarization and repolarization phases, as well as their prolongation. The proposed new parameters might be applied for risk stratification of @entity943 .

Risk assessment of XXXX using new parameters based on high resolution body surface potential mapping.

@entity1 :: ('9606', 'Species') :: ['patients'] @entity1165 :: ('MESH:D017180', 'Disease') :: ['VT', 'ventricular tachycardia'] @entity1162 :: ('MESH:D008133', 'Disease') :: ['QT dispersion'] @entity737 :: ('MESH:D057873', 'Disease') :: ['ICD', 'implantable cardioverter-defibrillator'] @entity583 :: ('MESH:D009203', 'Disease') :: ['myocardial infarction', 'MI'] @entity943 :: ('MESH:D001145', 'Disease') :: ['cardiac arrhythmia', 'Arrhythmia', 'arrhythmia']
@entity943 :: (MESH:D001145,Disease) :: ['ventricular arrhythmia']
