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晕厥是脑循环受累时,缺血或映氧使脑功能抑制后的短暂意识中断,它严重威胁飞行安全。近五年来,我院神经内科住院飞行人员中,晕厥者接近半数,主要是歼击机飞行员。 根据晕厥的严重程度,大致有三种不同的临床相。 一、轻型晕厥(lipothymia) 主要标志是意识模糊,常伴有眩晕、恶心,蜡样苍白,有时肌肉稍有弛张,姿势失衡,头部前倾。此时,脑电图的表现为,同步对称的慢正弦波梭形爆发,波幅渐高,频率渐慢,最慢可达每秒3周,见于各导联,但常以后头部为主,持续时间很少超过3～4秒。
Syncope is a transient episodic disruption after brain circulation is impaired by ischemia or by the presence of oxygen to deter brain function. It is a serious threat to flight safety. In the past five years, in our hospital neurology in-flight personnel, nearly half of syncope, mainly fighter pilots. Depending on the severity of the syncope, there are roughly three different clinical phases. First, light syncope (lipothymia) The main signs are confused, often accompanied by dizziness, nausea, pale waxy, sometimes a little muscle relaxation, posture imbalance, head forward. At this point, the performance of EEG, synchronous symmetrical slow sine wave spindle-shaped burst, the amplitude increased, the frequency of slowest, the slowest up to 3 weeks per second, found in the lead, but often after the head of the main, Duration rarely more than 3 to 4 seconds.