Cardiovascular parameters monitored before, during, and after induction of asphyxial cardiac arrest (6 or 8 minutes CA) in animals subsequently treated with saline vehicle or D-cycloserine (DCS), n=14 (saline); n=17 (DCS). The data points for the DCS group after CA are obscured by the data points for the saline group. HR (A), MABP (B), SBP (C), and DBP (D).