Figure 4

Changes in potassium plasma level (A), effective refractory period (B) and inducibility of ventricular fibrillation (C). Data are expressed as medians with interquartile ranges. NT indicates normothermia; HT, after reaching the core temperature of 32°C; HT60, after 60 minutes of stable hypothermia; NS, statistically non-significant; *P < 0.01; **P < 0.001; ***P < 0.0001.