Which one of the following is the investigation of choice for suspected deep vein thrombosis of the lower extremity ?
Venous duplex ultrasonography is commonly performed to look for evidence of thromboembolism in superficial or deep venous system if lowe limbs. Reference:Bailey and love, 27th edition, page 988
Radioactive labelled fibrinogen uptake
Ascending contrast phlebography
D-dimer estimation
Duplex ultrasonography
Vascular surgery