Epidemiology A Common disorder and potentially deadly Five million cases of venous thrombosis each year 10% of these will have a pe 10%Will die: Untreated mortality rate of 20%-30% Highest incidence in hospitalized patients a hard diagnosis to make Correct diagnosis is made in only 10-30% of cases Up to 60% of autopsies will show some evidence of past PE Plummets to 5% with timely intervention MBBS project, Zhongshan HospitalMBBS project, Zhongshan Hospital Epidemiology • A Common disorder and potentially deadly — Five million cases of venous thrombosis each year — 10% of these will have a PE — 10% will die: Untreated mortality rate of 20% - 30% — Highest incidence in hospitalized patients • A hard diagnosis to make — Correct diagnosis is made in only 10-30% of cases — Up to 60% of autopsies will show some evidence of past PE — Plummets to 5% with timely intervention