The posttraumatic arterio-venous fistula, ultrasound diagnosticateted

Introduction: The arteriovenous fistulas (AVF) are congenital, posttraumatic or may have iatrogenical causes. Over 50% of the posttraumatic AVF are localized in the cervicomediastinal area; followed by the lower and upper limbs or, less frequently, they can be found in the toracoabdominal vessels. AVF is most frequently produced in penetrated wounds made by white weapons or bullets. At the level of lower limbs, the AVF produces chronic venous insufficiency, with oedhema, dermatitis with stasis, ulcerations, increasing of limb's volume and pulsatile varicosis in aval of AVF, because the peripherical venous system…