heart and blood vessel disorders
Deep Vein Thrombosis (DVT)
Diagnosis of Deep Vein Thrombosis
Doppler ultrasonography Blood tests to measure D-dimer Deep vein thrombosis may be difficult for doctors to detect, especially when pain and swelling are absent or very slight. When this disorder is suspected, Echocardiography and Other Ultrasound Procedures is often used to confirm the diagnosis. Sometimes doctors do a blood test to measure a substance called D-dimer that is released from blood clots. If the level of D-dimer in the blood is not increased, the person probably does not have deep vein thrombosis. If the person has symptoms of pulmonary embolism, Computed Tomography (CT) of the Heart or, rarely, 