Research Article
Estimating Left Ventricular Mass from the Electrocardiogram across the Spectrum of LV Mass from Normal to Increased LV Mass in an Older Age Group
Table 3
The correlation between QRS voltage in some leads for men.
| | S V3 + R aVL | AVL R × QRS duration | S V4 + deepest S in precordium | V3S | V4S |
| aVL R (Sokolow) | 0.581 | 0.507 | 0.096 | 0.039 | 0.204∗ | I R (Gubnar) | 0.480 | 0.373 | 0.112 | 0.036 | 0.014 | III R | −0.127 | −0.052 | 0.175 | 0.09 | −0.091 | V1S (Wilson) | 0.488 | 0.455 | 0.608 | 0.463 | 0.193 | V2 S (Mazoleni) | 0.568 | 0.571 | 0.829 | 0.784 | 0.395 | V3 S | 0.836 | 0.810 | 0.892 | 1 | 0.722 | V4 S | 0.700 | 0.728 | 0.793 | 0.722 | 1 | V4 R | −0.328 | −0.3568 | −0.155 | −0.207 | −0.41 | V5 R (Wilson) | −0.063 | −0.141 | 0.084 | 0.013 | −0.179 | V6 R (Wilson) | 0.126 | 0.054 | 0.220 | 0.133 | 0.024 | S deepest any precordial lead | 0.637 | 0.633 | 0.896 | 0.787 | 0.439 | S V4 + S deepest (Peguero) | 0.779 | 0.79 | 1 | 0.892 | 0.793 | S V1 + R V5/V6 (Sokolow) | 0.266 | 0.205 | 0.423 | 0.290 | 0.061 | S V3 + R aVL (Cornell) | 1 | 0.937 | 0.779 | 0.836 | 0.701 | S V2 + R V5/6 (Romhilt) | 0.381 | 0.343 | 0.630 | 0.549 | 0.219 | S V1/2 + R V5/6 (Murphy) | 0.370 | 0.331 | 0.620 | 0.496 | 0.186 | S V1/2 + R V6 (Grant) | 0.440 | 0.400 | 0.669 | 0.544 | 0.243 | R V5/6 (Holt) | 0.037 | −0.028 | 0.176 | 0.088 | −0.049 | S V2 + R V4/5 (Wolff) | 0.24 | 0.2 | 0.522 | 0.455 | 0.084 | AVL R × QRS duration (Molloy Cornell) | 0.939 | 1 | 0.790 | 0.810 | 0.728 |
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Correlation coefficient ( r) is listed as 1 when the factor is correlated with itself. , , , and . |