Venous blood gases can provide an assessment of tissue acidity and oxygenation and may be taken as a better indication of the efficacy of resuscitation in patients with circulatory compromise.
静脉血气分析对危重患者特别是循环衰竭的患者可以提供组织氧合和酸碱状态更切实的评价，并可能对有效复苏提供更好的指导。
Therefore blunt dissection of the soft tissue overlying the middle vault is recommended to preserve these vessels, in an attempt to maximize venous return and help minimize tip edema.
因此建议在鼻中部穹隆处钝性剥离软组织，以保护这些血管，最大限度地保证静脉回流，减少鼻尖水肿。
Objective To evaluate the clinical value of tissue Doppler imaging(TDI) and pulmonary venous flow spectrum in the assessment of left ventricular diastolic function by E/A ratio.
目的通过组织速度图舒张时间、肺静脉频谱及二尖瓣环E/A比值评价冠心病患者左室舒张功能。
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