He says two different situations can lead to a pilot's loss of consciousness.

他说有两种情况可以导致飞行员失去意识。

Most febrile seizures are generalized tonic clonic seizures that cause stiffness, jerking and loss of consciousness.

大多数发热性惊厥为全身性强直-阵挛发作，可引起僵硬、抽搐和意识丧失。

This may explain the confusion, loss of consciousness and sensitivity to sound or light common in a concussion.

这就解释了为什么混乱，丧失意识或对声音和光线的敏感性在脑震荡中很常见。

At higher doses opioids can decrease heart and breathing rates to dangerous levels, causing loss of consciousness and even death.

更高剂量的阿片类药物则会让心跳和呼吸频率下降到危险水平，令人失去意识，甚至死亡。

Symptoms of hypoglycemia can be mild, like weakness, hunger, shaking, but they can progress to loss of consciousness and seizures in severe cases.

低血糖症状可能较轻，比如感到虚弱、饥饿、颤抖，严重者会出现意识不清，甚至癫痫。

There's some people that report loss of consciousness after using it.

有些人报告使用它后失去了意识。

These episodes are characterized by shortness of breath, increased cyanosis, loss of consciousness and may result in hypoxic brain injury and death.

缺氧发作会出现呼吸短促，紫绀加重，意识丧失，可导致缺氧性脑损伤和死亡。

The most common symptoms of a subdural hemorrhage are loss of consciousness right after the injury or in the ensuing days to weeks, as the hematoma increases in size.

硬膜下出血最常见的症状包括：损伤后即刻的意识丧失，或是随着血肿缓慢增大，在其后数天至数周内突然失去意识。

And in addition to that, there was this higher frequency piece, an alpha wave that appeared at the front of the head  at that loss of consciousness moment.

除此之外，还有一个更高频率的部分，即在失去意识的那一刻出现在头部前部的阿尔法波。