DVT, D-dimer, Wells score, deep vein thrombosis, venous thromboembolism, VTE, compression ultrasonography, ultrasound for DVT, pretest probability, negative predictive value, anticoagulation, thrombosis evaluation, clinical reasoning, medical education, pharmacy education, residency education, board review, NAPLEX, BCPS, Dr Busti
D-Dimer Explained: When Suspected DVT Needs Ultrasound