Howeer, in the eent of a difficult airway where a patient cannot be intubated and facemask entilation proes to be inadequate, the LMA may sere as a temporizing measure.
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- 事实上证明,对插不进管和不能行面罩通气的困难气道病人应用LMA通气是不够的,它只是一种姑息措施。