Summary
Increased tachycardia to isoprenaline was observed in pithed rats 2 days after withdrawal of propanolol but not after withdrawal of atenolol (a cardioselective drug) or LL 21-945 (a long acting beta-blocking drug).
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Acknowledgments. We are grateful to Sandoz Ltd for a gift of LL 21-943 and to I.C.I. for gifts of propranolol and atenolol.
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Botting, J.H., Crook, P. Effect of abrupt withdrawal of chronically administered β-blocking drugs on cardiac sensitivity in the rat. Experientia 37, 1320–1322 (1981). https://doi.org/10.1007/BF01948385
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DOI: https://doi.org/10.1007/BF01948385