<prompt> Which of the following findings expected on microscopic examination of biopsy from hea showing ventricular hyperophy with asymmetric septal thickeningAschoff bodiesDisorganisation of myofibrilsInfiltration by inflammatory cellsLocalised fibrous scarring  <response>: Ans. is b i.e., Disorganisation of myofibrils The most characteristic histological finding of HOCM is disruption of the normal alignment of myocytes -- Myocardial disarray. 