Right ventricular hypertrophy (RVH) causes a right axis deviation, dominant R in V1 and a dominant S in V5 or V6, in the presence of a narrow QRS. There may also be signs of a right atrial enlargement, and a right ventricular strain pattern with ST depression and T wave inversion in the right (V1-B4) and inferior (II, III, aVF) leads.
RVH can be caused by pulmonary hypertension, PE, cor pulmonale, mitral stenosis, pulmonary stenosis, ARVC or congenital heart disease.
See also: Hypertrophy and enlargement
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