or massive RVH can the electromotive forces generated in the right ventricle (RV) counterbalance those produced in the left ventricle (LV).1 2 Our experience as well as that of several others-9 has demonstrated the usefulness and merits of the orthogonal vectorcardiogram. Furthermore, Toshima et al.'0 using the Schmitt-Simonson system (SVEC III) in patients with mitral and aortic valvular disea...

or massive RVH can the electromotive forces generated in the right ventricle (RV) counterbalance those produced in the left ventricle (LV).1 2 Our experience as well as that of several others-9 has demonstrated the usefulness and merits of the orthogonal vectorcardiogram. Furthermore, Toshima et al.'0 using the Schmitt-Simonson system (SVEC III) in patients with mitral and aortic valvular disea...

The atrial vectorcardiograms of two cases of lefi atrial rhythm are described. The essential vectorcardiographic features of the usual type of this ectopic rhythm, with its variations, are discussed. The probable sites of origin of these variations are considered. It is suggested that the atrial vectorcardiogram amplified to the greatest possible magnification is the best and most direct means ...