[Quantitative analysis of spatial ventricular gradient. 2. Spatial ventricular gradient in essential hypertension].
D000328:Adult; D000367:Age Factors; D001794:Blood Pressure; D003201:Computers; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography