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联合应用二氢麦角胺和肝素预防血栓形成,可引起血管痉挛。及早认识血流碍障的原因并进行相应的治疗是维持四肢或供血不足器官血供的前提条件。
Combination of dihydroergotamine and heparin to prevent thrombosis can cause vasospasm. Early understanding of the cause of blood disorders and the corresponding treatment is to maintain the blood supply limbs or insufficient blood supply prerequisites.