Figure 2.
Mean hourly heart rate (min−1) in eight cats determined before (baseline) and after oral administration of placebo and one dose of ivabradine (0.1 mg/kg, 0.3 mg/kg, and 0.5 mg/kg; A). Mean ±SD hourly heart rate (min−1) before and after oral administration of placebo and ivabradine (0.1 mg/kg, B); ivabradine (0.3 mg/kg, C); and ivabradine (0.5 mg/kg, D). *, significant differences (P < 0.05) compared to placebo. †, significant differences (P < 0.05) compared to ivabradine (0.1 mg/kg). ‡, significant differences (P < 0.05) compared to ivabradine (0.3 mg/ kg). Data were compared statistically only at hours 0, 1, 2, 3, 4, 8, and 12. ●, placebo; ■, ivabradine (0.1 mg/kg); ▲ , ivabradine (0.3 mg/kg); and ◆ ivabradine (0.5 mg/kg).
