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 2
The correlation between QRS voltage in some leads.
| | S V3 + R aVL | AVL R × QRS duration | S V4 + S deepest precordium | V3S | V4S |
| aVL R (Sokolow) | 0.574 | 0.485 | 0.095 | 0.0124 | 0.223 | I R (Gubnar) | 0.433 | 0.317 | 0.096 | −0.029 | 0.025 | III R | −0.175 | −0.082 | 0.105 | 0.0503 | −0.139 | V1S (Wilson) | 0.363 | 0.352 | 0.548 | 0.336 | 0.096 | V2 S (Mazoleni) | 0.518 | 0.547 | 0.819 | 0.739 | 0.363 | V3 S | 0.826 | 0.809 | 0.867 | 1 | 0.721 | V4 S | 0.717 | 0.740 | 0.781 | 0.721 | 1 | V4 R | −0.209 | −0.234 | −0.057 | −0.129 | −0.287 | V5 R (Wilson) | −0.04 | −0.072 | 0.139 | 0.039 | −0.123 | V6 R (Wilson) | 0.089 | 0.073 | 0.233 | 0.128 | 0.037 | S deepest any precordial lead | 0.597 | 0.611 | 0.896 | 0.744 | 0.421 | S V4 + S deepest (Peguero) | 0.763 | 0.784 | 1 | 0.866 | 0.781 | S V1 + R V5/V6 (Sokolow) | 0.2114 | 0.196 | 0.426 | 0.239 | 0.04 | S V3 + R aVL (Cornell) | 1 | 0.936 | 0.763 | 0.826 | 0.7167 | S V2 + R V5/6 (Romhilt) | 0.341 | 0.350 | 0.632 | 0.511 | 0.213 | S V1/2 + R V5/6 (Murphy) | 0.339 | 0.341 | 0.630 | 0.465 | 0.185 | S V1/2 + R V6 (Grant) | 0.387 | 0.389 | 0.665 | 0.504 | 0.228 | R V5/6 (Holt) | 0.043 | 0.029 | 0.220 | 0.104 | −0.012 | S V2 + R V4/5 (Wolff) | 0.243 | 0.245 | 0.554 | 0.446 | 0.114 | AVL R × QRS duration (Molloy Cornell) | 0.936 | 1 | 0.784 | 0.804 | 0.740 |
|
|
Correlation coefficient ( r) is listed as 1 when the factor is correlated with itself. , , , and . |