How accurate is physical exam for DVT?
Not much. Given the previously discussed constraints, the sensitivity is only 60–88%, and the specificity 30–
72%. In fact, the only important signs of DVT are tenderness and swelling. Calf asymmetry <2 cm (when measured 5 cm below the tibial tuberositas) also is abnormal and, if new, argues for DVT until proven otherwise.
Not much. Given the previously discussed constraints, the sensitivity is only 60–88%, and the specificity 30–
72%. In fact, the only important signs of DVT are tenderness and swelling. Calf asymmetry <2 cm (when measured 5 cm below the tibial tuberositas) also is abnormal and, if new, argues for DVT until proven otherwise.