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Comparison of propranolol and Ro 3-3528 in hyperthyroid tachycardia and dysrhythmias
  1. Eileen M. Phillips,
  2. Paul Turner,
  3. Joan Houghton,
  4. D. G. Ferriman


    Ro 3-3528, a non-selective β-adrenoceptor blocking drug which lacks intrinsic activity, produces a dose-response effect in hyperthyroid tachycardia, and shows no dysrhythmic properties. In hyperthyroid patients, β-blocking drugs of this nature are preferable to those possessing intrinsic sympathomimetic activity, which may have dysrhythmic properties in this condition.

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