Table 1 The 22 conventional ECG criteria of LVHa
Amplitude | First author of study | Year of study publication | Be considered as | |
|---|---|---|---|---|
Limb lead voltage | ||||
(R I–S I) + (S III–R III) | >16 mm | Lewis | 1914 | ECG 1 |
R I + S III | >25 mm | Gubner | 1943 | ECG 2 |
R I | >15 mm | Gubner | 1943 | ECG 3 |
R aVL | >11 mm | Sokolow | 1949 | ECG 4 |
R aVF | >20 mm | Goldberger | 1949 | ECG 5 |
Q or S aVR | >19 mm | Schack | 1950 | ECG 6 |
R + S in any limb lead | >19 mm | Romhilt | 1968 | ECG 7 |
Precordial lead voltage | ||||
S V1 | >23 mm | Wilson | 1944 | ECG 8 |
S V2 | >25 mm | Mazzoleni | 1964 | ECG 9 |
S V1 + R V5 | >35 mm | Sokolow | 1949 | ECG 10 |
S V2 + R V5,6 | >45 mm | Romhilt | 1969 | ECG 11 |
S V1,2 + R V5,6 | >35 mm | Murphy | 1984 | ECG 12 |
S V1,2 + R V6 | >40 mm | Grant | 1957 | ECG 13 |
R + S any precordial lead | >35 mm | Grant | 1957 | ECG 14 |
R V5/R V6 | >1.0 | Holt | 1962 | ECG 15 |
R, any precordial lead | >26 mm | McPhie | 1958 | ECG 16 |
S V2 + R V4,5 | >45 mm | Wolff | 1956 | ECG 17 |
R V5 | >33 mm | Wilson | 1944 | ECG 18 |
R V6 | >25 mm | Wilson | 1944 | ECG 19 |
Combinations of limb and precordial voltage | ||||
RS aVF + V2 + V6 (>30 years) | >59 mm | Manning | 1964 | ECG 20 |
RS aVF + V2 + V6 (<30 years) | >93 mm | Manning | 1964 | ECG 20 |
S V3 + R aVL (men) | >28 mm | Casale | 1985 | ECG 21 |
S V3 + R aVL (women) | >20 mm | Casale | 1985 | ECG 21 |
Total 12-lead voltage | >175 mm | Siegel | 1982 | ECG 22 |