Hypertrophic cardiomyopathy (HCM) is defined as left ventricular hypertrophy in the absence of loading conditions sufficient to cause the observed abnormality. The true prevalence in childhood is unknown; the aetiology is more heterogeneous than that seen in adult populations. and includes inborn errors of metabolism. malformation syndromes and neuromuscular syndromes. https://jalyttlers.shop/product-category/table-lamp/