JOHN F. BEARY III, M.D.; NICHOLAS J. FORTUIN, M.D.
To the editor: Therapy for asthma is sometimes complicated by undesirable cardiovascular stimulation from some of the frequently used drugs such as aminophylline, isoproterenol, and ephedrine. In the case described below, practolol, a cardiospecific beta-adrenergic blocking agent, was used to control sinus tachycardia and associated symptoms in a patient with severe asthma.
A 63-year-old woman had had asthma for 30 years. Adequate control of bronchospasm required a regimen of ephedrine, prednisone, aminophylline by suppository, and isoproterenol by inhalation. A resting heart rate of 130 to 140 beats/min was documented repeatedly, and during severe attacks she developed heart rates of 140
BEARY JF, FORTUIN NJ. Practolol for Sinus Tachycardia in Asthma. Ann Intern Med. 1974;81:405. doi: 10.7326/0003-4819-81-3-405
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Published: Ann Intern Med. 1974;81(3):405.
Asthma, Cardiology, Pulmonary/Critical Care, Rhythm Disorders and Devices.
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