This report shows the link between myxoedema and cardiac hypertrophy, suggesting important diagnostic implications.
Given the wide availability of rapid diagnostics and medication, cardiomyopathy secondary to hypothyroidism are now rare. The predominant phenotype is a dilated cardiomyopathy, but if systemic myxoedema is reached, the phenotype may differ and asymmetrical septal hypertrophy can occur secondary to cardiac myxoedema deposits.
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Mannion et al. (2024) studied this question.
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