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RV6RV5 voltage ratio in systemic hypertension

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      Abstract

      A ratio between the R-wave voltage of leads V6 and V5 >1.0 has been reported to be useful in the diagnosis of left ventricular (LV) hypertrophy in different clinical situations.1 Recently, Spodick and Koito2 studied the sensitivity and specificity of additional cutpoints <1.0 in cardiomyopathy and valvular heart disease, and showed that the sensitivity of this index is lesion-related. Nevertheless, to our knowledge, there has been no study about the usefulness of this ratio in systemic hypertension. Given the frequent use of the electrocardiogram in the study of the hypertensive patient to discover LV hypertrophy, we think that it may be interesting to study the sensitivity and specificity of different cutoff points of this ratio in systemic hypertension. Further, a comparison of this index with other well-known and frequently used voltage criteria3 will be worthwhile.
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