The orthogonal and 12 lead ECG in adult negroes with systemic hypertension: comparison with age-matched control.

In a comparative ECG study of 288 hypertensive and 340 normal Nigerians, the following observations were made: a) The QRS voltage is high in normal Negroes but becomes significantly higher in hypertension (HBP). This suggests that the voltage criteria being used for LVH in Caucasians are not applicable to Negroes. b) The T wave amplitude diminishes in HBP… CONTINUE READING