In the interpretation of an ECG in the hypertensive patient, the single measurement of the R wave in aVL gives results at least as good as those of more complicated indices, which do not appear to contribute further to the diagnosis of LVH and the prediction of cardiovascular risk.
We confirm LVMI as a powerful risk factor in hypertension with a cutoff of 51 g/m(2.7), which offers the same sensitivity and specificity whether the LVM was determined before or during treatment. The progression of LVM, on average 5 years after the initial measurement had a prognostic value independent of the initial determination.
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