Figure 5.58 A, High distal resistance flow is seen in the common femoral artery of the resting lower limb. B, Low distal resistance flow is seen in the middle cerebral artery. Although these spectral displays are very different, they are both normal for the locations and conditions given. C, Tardus-parvus waveform typical of flow with proximal stenosis.
đang được dịch, vui lòng đợi..
