Are EEGs a useful autonomic diagnostic tool?

[Galixie]

I'm scheduled to have an EEG because of a car accident, but I am wondering if there's any possibility that it will help get to the bottom of an odd oxygen saturation percent problem which is so intermittent that it can't be predicted (so scheduling testing for when it is happening is impossible) and which has, so far, had heart, lung, and blood problems ruled out as its source.

I don't want to get my hopes up that I'd get some answers if there's no way this test could give me any answers, you know? So if anyone knows if this test would be useful or not, please respond. Thank you.

[Galixie]

The answer to my own question is no. Since I wasn't having a hypoxemia episode during the test nothing was found.