Deep Venous Thrombosis and Long Term Complications

"The ultrasound examination is a non-invasive procedure with no risks, adverse reactions, or discomforts associated with the examination. The study blood samples are mostly obtained at the same time as clinical blood sample collection in order to avoid unnecessary complications.~The inclusion and ultrasound examiniation is performed by the patient responsible physician at the Emergency Department. Blood samples during the study period are performed by trained study staff."