Effect of Esmolol on Oxygenation Index in Patients With Acute Respiratory Distress Syndrome

The load dose of esmolol was first injected intravenously: 0.5mg/kg.min, for about 1 minute; then the maintenance dose was pumped intravenously: from 0.05mg/kg/min, and continued after 4 minutes if the efficacy was ideal; if the efficacy was poor, the load dose could be repeated and the maintenance dose increased by 0.05mg/kg/min. The maintenance dose should not exceed 0.3mg/kg/min.