Abstract
Review of the literature has brought out the following: (1) ECG criteria for LVH commonly give false positives and false negatives. (2) Although LAD, prolonged VAT and ST-T changes may be of value, the most useful are the voltage criteria, of which there are many. (3) Low correlation between increased voltage and increased heart weight at autopsy may derive from technical errors in ECG recording that arise from the equipment used and the use of criteria of normality which may exclude heart weights which are actually normal. (4) Examination of postmortem criteria of normality reveals that a satisfactory definition of LVH does not exist. A simple index of hypertrophy based on a reanalysis of data on 926 normal cases is proposed: HW BL > 2.20 Gm. per centimeter, for men, and > 2.06 Gm. per centimeter for women.
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