Hypertrophic cardiomyopathy (HCM) is a common genetic disease affecting at least one in 500 persons in the general population. In 1958 Teare gave a description of HCM when he reported a series of eight young patients who died suddenly from a disorder of the heart muscle.
3,4 He was the first to describe the asymmetrical appearance of hypertrophy and its familial nature. He also described a disordered arrangement of muscle fibres at microscopic examination of the hearts of his cases, now known as myocyte disarray. …