2012
DOI: 10.5603/cj.2012.0110
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Electrocardiographic diagnosis of the left ventricular hypertrophy in patients with left bundle branch block: Is it necessary to verify old criteria?

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Cited by 12 publications
(15 citation statements)
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“…The identification of LVH in patients with CLBBB has been controversial: some studies have reported correlations between various ECG voltage criteria and CLBBB, while others have not been able to confirm these findings [14,16,17,24]. In the present study, none of the criteria were significantly correlated with LVH, and the area under the ROC curve was less than 0.6 in all cases.…”
Section: Discussioncontrasting
confidence: 43%
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“…The identification of LVH in patients with CLBBB has been controversial: some studies have reported correlations between various ECG voltage criteria and CLBBB, while others have not been able to confirm these findings [14,16,17,24]. In the present study, none of the criteria were significantly correlated with LVH, and the area under the ROC curve was less than 0.6 in all cases.…”
Section: Discussioncontrasting
confidence: 43%
“…In the present study, none of the criteria were significantly correlated with LVH, and the area under the ROC curve was less than 0.6 in all cases. As in previous studies, we found that the evaluated criteria have reasonable specificity but low sensitivity [14], which could be explained, in part, by the fact that QRS voltage tends to decrease after the appearance of CLBBB in patients with LVH [9].…”
Section: Discussionmentioning
confidence: 51%
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“…While LBBB is generally a marker of advanced cardiac disease rendering further myocardial decline [1], low coronary artery disease prevalence may incur unnecessary invasive intervention and cost. Many automated EKG algorithms assign a diagnosis of LBBB to QRS > 120 ms, predominantly negative in V1 regardless of V6 morphology [2,3]. This may misidentify up to 1/3 of patients with prolonged conduction due to left ventricular hypertrophy (chronic hypertension or valvular disease) as having LBBB [2].…”
Section: Discussionmentioning
confidence: 99%
“…It is known, however, that several factors interfere in the diagnostic precision of LVH, more specifically the presence of conduction disturbances, especially CLBBB, which notoriously imposes limitations in LVH diagnosis. 20-22 …”
Section: Discussionmentioning
confidence: 99%