a rapid bolus injection of 2 to 6 mg followed by an infusion of 2 to 5 mg/hr was given to 10 patients with acute chest pain , and 5 patients , who were free of chest pain at the time , but had repeated episodes of angina in the past 24 hours , were given isdn infusion without a bolus injection .
C0002962
angina
C0022252
isdn