266. DVT ddx / Best d-dimer techniques (3) March 20th, 2008 by reuben in DVT/PE Back Top Tags: card 265. Wells score for DVT 267. Testing schema for DVT / Cutoff for negative d-dimer / What is d-dimer? / Conditions that elevate d-dimer Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.