A 70-year-old woman is admitted to the hospital with a suspected pulmonary embolism (PE). Her Wells score is 5 (likely PE). She is haemodynamically stable. According to NICE NG158, what is the most appropriate next diagnostic step?AArrange a D-dimer testBArrange immediate CT Pulmonary Angiogram (CTPA)CArrange a ventilation-perfusion (V/Q) scanDStart empirical treatment dose low molecular weight heparin (LMWH)EArrange duplex ultrasound legsCheck my answer