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Arterial blood flow (L/min) and blood pressure (mm/Hg) in 5 different stenosis grades.
| Normal perfusion | FFR 0.70 | FFR 0.50 | FFR 0.30 | Total occlusion | |
|---|---|---|---|---|---|
| Arterial blood flow (SD) | 1.0 L/min (constant) |
1.0 L/min (constant) |
1.0 L/min (constant) |
0.93 L/min (SD 0.05) |
0.90 L/min (constant) |
|
| |||||
| Arterial blood pressure (SD) | 82.7 mm/Hg (SD 0.6) |
80.7 mm/Hg (SD 1.2) |
86.7 mm/Hg (SD 1.2) |
88.7 mm/Hg (SD 1.5) |
94 mm/Hg (SD 2.7) |
SD: standard deviation.
