Diagnostic electrocardiographic dyad criteria of emphysema in left ventricular hypertrophy

Abstract

BACKGROUND The electrocardiographic diagnostic dyad of emphysema, namely a combination of the frontal vertical P-vector and a narrow QRS duration, can serve as a quasidiagnostic marker for emphysema, with specificity close to 100%. We postulated that the presence of left ventricular hypertrophy in emphysema may affect the sensitivity of this… (More)
DOI: 10.2147/COPD.S50680

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