TY - JOUR T1 - THe beneficial effects of verapamil in chronic atrial fibrillation AU - Klein HO, Pauzner H, Di Segni E, David D, Kaplinsky E Y1 - 1979/07/01 N1 - 10.1001/archinte.1979.03630440017009 JO - Archives of Internal Medicine SP - 747 EP - 749 VL - 139 IS - 7 N2 - Digitalis preparations frequently fail to control heart rate in many patients who have chronic atrial fibrillation, particularly during physical exertion. The effects of orally administered verapamil, 160 to 240 mg/day, on the heart rate at rest and during mild exercise were studied in 23 digitalized patients with chronic atrial fibrillation of various causes. Verapamil substantially reduced the excessive heart rate response to exercise in well-digitalized patients who had chronic atrial fibrillation.(Arch Intern Med 139:747-749, 1979) SN - 0003-9926 M3 - doi: 10.1001/archinte.1979.03630440017009 UR - http://dx.doi.org/10.1001/archinte.1979.03630440017009 ER -