What cardiac abnormalities are observed in a patient when echocardiography reveals thinning and akinesis of the basal interventricular septum, while MRI indicates abnormalities in basal/septal regions?
a) Aneurysm of the ascending aorta
b) Hypertrophic cardiomyopathy (HCM)
c) Mitral valve prolapse
d) Ventricular septal defect (VSD)