Syncope must be differentiated from epileptic seizures, although seizures due to brain hypoxia can occur in a syncopal episode.

必须与癫痫相鉴别，尽管在时也会生脑氧引起的癫痫。

Head up tilt table testing is not warranted in patients who hae experienced a single syncopal episode without injury in an intermediate or low risk setting.

试验不推荐用于曾经有过在低位现场所生过1次而没有受伤的患者。