(A) Neurological deficit score at 24, 48 hours and 8 days after CPR, (B) CA1 neuronal survival in % 8 days after CPR and (C) fear conditioning freezing on day 2 showed no significant differences between nitrite (green bar, n=10) compared to placebo (red bar, n=9). Sham shown as blue bar, n=5. Data are shown as mean (± standard error).