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Table 2 Hemodynamic variables and ratio of flow velocities

From: Target heart rate to determine the normal value of coronary flow reserve during dobutamine stress echocardiography

  VELOC (cm/seg) HR (bpm) Correlation with baseline flow in each stage % increase MAP (MmHg) % HR increase
Baseline 24.93 64   0.00 94.4  
5 MCG 27.36 64.7 1.1 9.88 98.4 1.09375
10 MCG 31.1 69.6 1.3 24.90 98.9 8.75
20 MCG 38.9 81.2 1.5 56.22 99.5 26.875
30 MCG 46 99 1.8 84.74 93.3 54.6875
40 MCG 57.9 118 2.3 132.53 89.8 84,375
50 MCG 60.24 126.9 2.67 183.90 88.6 98.28125