272. What % of patients with PE have no identifiable RF? / What pretest prob marks the workup harm-benefit line? / PE workup based on pretest prob March 20th, 2008 by reuben in DVT/PE Back Top Tags: card 271. What % of patients with PE describe their CP/SOB as sudden onset? / Two rare but classic CXR findings / ECG findings 273. How to manage "isolated subsegmental findings" on CT for PE / Indirect CT venography vs. ultrasound / Alternative diagnoses to PE revealed by CT Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.