Abstract
Letters1 May 1974Propranolol, Hypoglycemia, and Hypertensive CrisisRANDOLPH J. MCMURTRY, M.D., PH.D.RANDOLPH J. MCMURTRY, M.D., PH.D.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-80-5-669 SectionsAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail ExcerptTo the editor: The use of beta-adrenergic blocking agents has been implicated in the development of hypoglycemia (1, 2) and peripheral arterial insufficiency (3) in certain individuals. I report a case in which hypertensive crisis and decreased peripheral blood flow developed in a hypertensive, insulin-dependent patient while she was on propranolol therapy, presumably because of insulin-induced hypoglycemia and endogenous catecholamine release.In November, 1973, a 50-year-old woman with insulin-dependent diabetes was placed on hydralazine, hydrochlorothiazide, and propranolol for her essential hypertension. Two days later the patient became confused during a speech clinic visit and, after administration of oral sugar, was...
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