二聚体检测、超声心动图、下肢静脉多普勒、肺通气灌注扫描、选择性肺动脉造影，可确诊。
Syptoms were considerably serious. Diagncsis was based on D-Dimers, ultrocardiogrophy, leg vein doppler, perfusion lung scanning and selective pulmonary angiography.
意识水平的改变意味着要对患者的氧和作用，通气和灌注状况进行重新评估。
An altered level of consciousness indicates the need for immediate reevaluation of the patient's oxygenation, ventilation, and perfusion status.
目的回顾性分析6例体外循环心内直视术后并发灌注肺的机械通气治疗经验。
Objective To review the experience in mechanical ventilation in 6 post perfusion lung cases after open heart surgery under cardiopulmonary bypass.
因为正压通气会提高胸内压，减少静脉回流，进而减少心脑血液灌注。
Any form of positive-pressure ventilation is deleterious during cardiac arrest because the increase in intrathoracic pressure decreases venous return to the heart and perfusion of the heart and brain.
在病人下肺通气不良的同时，其血流灌注又因为重力的作用有所增加。
The patient concurrently has better perfusion of the dependent lung, primarily secondary to the effects of gravity.
目的：比较通气蛐灌注(V - P)显像和螺旋ct血管成像(SCTA)对肺栓塞(PE)诊断的临床价值。
Objective: To evaluate the clinical capability of ventilation-perfusion (V-P) scintigraphy and spiral ct angiography (SCTA) in the diagnosis of pulmonary embolism (PE).
目的比较灌注、泵注和滴注三种不同鼻饲方法在机械通气患者中所致的食物返流发生率，以寻求机械通气患者中比较安全的鼻饲方法。
Objective to compare the food reflux rate caused by 3 kinds of nasal feeding methods in patients with mechanical ventilation to seek for the safest feeding method.
目的比较灌注、泵注和滴注三种不同鼻饲方法在机械通气患者中所致的食物返流发生率，以寻求机械通气患者中比较安全的鼻饲方法。
Objective to compare the food reflux rate caused by 3 kinds of nasal feeding methods in patients with mechanical ventilation to seek for the safest feeding method.
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