Deep vein thrombosis is a potentially serious clinical entity, responsible for high morbidity and mortality. The vascular ultrasound is the diagnostic methods of choice in the diagnosis and monitoring of patients with this disease. However, several issues remain controversial, such as the initial approach of patients with suspected deep vein thrombosis, protocols to be used, the time for the exam and thrombosis in the calf plexus. The objective of this review is to discuss these issues in light of current knowledge.
venous thrombosis; ultrasonography, Doppler, color; diagnostic techniques, cardiovascular
