… We suggest that a preserved surface ECG in Ebstein anomaly identifies a subset of patients
with milder morphological and functional abnormalities and overall a less-severe clinical …

… In logistic regression models, a QRS duration > 140 ms was … possible indirect markers of
the progression of heart disease. … and ejection fractions of both ventricles were analyzed using …

… (RV morphology and function) and ECG parameters (namely QRS duration), we performed
a separate regression analysis and found no significant interaction (P ¼ 0.8 for interaction). …

… the right ventricular apex; and 1 drive train, drive cycle length … characteristics and left ventricular
ejection fractions compared to … , left ventricular ejection fraction, and QRS duration, which …

… would be a sensitive noninvasive marker for detecting the … of QRS complex, while irregularity
of QRS complex could be … 1 had lower right and left ventricular ejection fractions. Substrate …

… been shown that the presence of fragmented QRS (fQRS) on a routine twelve-lead surface
… with the right ventricular fibrosis.[ 32 ] QRS duration and fractionation are markers of the right …

… Although the electrocardiographic markers reflect the overall … electrograms with long-duration,
split, fractionated, and/or … at least 2 contiguous ECG leads when the QRS duration is <120 …

… 2 patients had 12-lead ECG QRS fractionation (QRSf) in ≥2 … the value of QRS amplitude
and fractionation as markers of … In this study, longer QRS duration was observed in patients …

… ECG depolarization (ie, epsilon wave or localized prolongation of the QRS complex in right
… Of note, epsilon waves at the surface ECG, which represent the macroscopic manifestation …

… with inferior isolated IAM or with right ventricle affectation. … = 0.008), or ECG failure (left
ventricular ejection fractions—LVEF < … that the QRS width is one of the ECG signs associated with …