Deep Vein Thrombosis Exams and Tests When you first see the
doctor, he or she will do a physical exam and ask questions
about your medical history. These help your doctor decide what
tests you need based on your risk for deep vein thrombosis
(DVT). Your doctor will check: - Your heart and lungs. - Your
legs for warmth, swelling, bulging veins, or changes in skin
color. Your doctor may ask: - Do you have any swelling or pain
in your legs? - Have you had a blood clot before? - What
medicines do you take? - Have you had surgery recently or have
you been on any long trips lately? Reference Ultrasound is the
main test used to help diagnose DVT. It creates a picture of the
flow of blood through the veins. If your doctor thinks you
should have more tests, you might have two or three more
ultrasounds over the next 7 to 10 days. More tests may be used
when ultrasound results are unclear. These tests often aren't
needed, but they may help diagnose or exclude a blood clot in
the leg. These tests may include: Blood thinn