Cardiovascular parameters monitored before, during, and after asphyxial cardiac arrest induced at 0 minute followed by measures to restore spontaneous circulation at 6 or 8 minutes; *P<0.05, 6 vs 8 minutes, Tukey; n=18 (6 minutes); n=13 (8 minutes). HR (A), MABP (B), SBP (C), and DBP (D).