Flash VEP of hypoxic brain damage patients. a Flash VEP of a 60 y old male with good outcome. Latency III is 85 ms on the right and 86 ms on the left side. b Flash VEP of a 50 y old male with poor outcome. Compared to the example in a, latencies I and II are not different, but latency III is delayed on both sides (108 ms right, 107 ms left).