Figure 7From: Injecting drug use via femoral vein puncture: preliminary findings of a point-of-care ultrasound service for opioid-dependent groin injectors in treatmentVein with moderate damage (grade 2). Dual-frame image and compression test in a 36-year old man (case study C). A sinus (short arrows) is seen above the right femoral vein (rcfv) which is not fully compressible (long arrow). This vein damage was graded as moderate (grade 2).Back to article page