Left ventricular hypertrophy (LVH) is an abnormal thickening ... electrical activity takes longer to traverse throughout the whole heart, thus the duration of the QRS complex may be widened.

A S4 heart sound is also often present due to the severe concentric left ventricular hypertrophy that develops in aortic stenosis. If a S3 heart sound is present, significant systolic dysfunction ...

The hypertrophy was both concentric and eccentric, another unexpected finding for which they do not have a good explanation, he noted. Eccentric hypertrophy usually correlates with volume overload ...