由于本药中、小剂量以β受体兴奋为主,大剂量时α效应明显,故亦有主张复苏时用大剂量,但过大剂量可致心脏过度挛缩造成石样心,应用宜慎重。碳酸氢钠:一般用5%碳酸钠5ml/kg,稀释成等渗液迅速滴入,然后视血气与血生化结果酌情补充.钙与钙通道 Due to the drug, the small dose of β-receptor-based excitation, α-effect at large doses was obvious, it is also advocated the use of large doses of resuscitation, but too much dose can cause excessive cardiac contracture caused by stone-like heart, the application should be cautious. Sodium bicarbonate: General 5% sodium carbonate 5ml / kg, diluted into isotonic solution quickly dripped, then depending on the blood gas and blood biochemical results, as appropriate. Calcium and calcium channels