Phaeochromocytoma and hypertrophic cardiomyopathy: apparent suppression of symptoms and noradrenaline secretion by calcium-channel blockade.


A 44-year-old woman with hypertrophic cardiomyopathy and a noradrenaline-secreting phaeochromocytoma is described. She experienced as great improvement in cardiovascular symptoms during double-blind treatment with the calcium-channel blocker nifedipine compared with the placebo period. Symptom relief on nifedipine therapy was associated with a pronounced… (More)


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