Figure 2From: Circulating N-terminal brain natriuretic peptide and cardiac function in response to acute systemic hypoxia in healthy humans Heart rate (A), and systolic (B) and diastolic blood pressures (C) before hypoxia (0 min), repeatedly during 60 min of hypoxic exposure, and 2 hours after the exposure. **p < 0.01, and ***p < 0.001 compared to 0 min and 2 h.Back to article page