Vmax VTI ET SV CO Control 16 14 -2 8 10 0.5 mg/kg 29 18 -17 22 93 2 mg/kg 53 25 -18 33 181 Vmax: Maximum velocity of the wave; VTI: Velocity time integral; ET: Ejection time; SV: Stroke volume; CO: Cardiac output.

Table 2: Minoxidil effects on aortic flow in dogs, measured by Doppler echocardiography. Change (%) in mean values recorded 1 hour after treatment (time of maximal amplitude of changes) compared to values recorded the day before treatment.