right-to-left shunting 若有右至左分流
In anesthetic management, we should give her adequate oxygen, avoid systemic hypotension which will increase the right to left shunting and worsens hypoxemia.
这时麻醉处理上应该充分给氧，避免低血压加重右向左分流而加重缺氧，因此一般不再采用椎管内麻醉而采用全麻气管插管。
Such small defects do not produce significant left-to-right shunting, but they do increase the risk for infective endocarditis.
虽然这种小缺损不足以导致从左到右的分流，但增大了感染性心内膜炎的危险性。
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