Figure 10From: Injecting drug use via femoral vein puncture: preliminary findings of a point-of-care ultrasound service for opioid-dependent groin injectors in treatmentVein with reduced, continuous flow (grade 3). Duplex scan showing significant reduction in blood flow (top half of image) and continuous venous flow (lower half of image) in the severely damaged left femoral vein (lcfv) of the patient in figure 9 (case study D). Compare this reduced, continuous flow with the normal venous flow pattern in figure 2.Back to article page