RT Journal Article SR Electronic T1 Acute pulmonary embolism 1: pathophysiology, clinical presentation, and diagnosis JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 229 OP 240 DO 10.1136/heart.85.2.229 VO 85 IS 2 A1 Riedel, Martin YR 2001 UL http://heart.bmj.com/content/85/2/229.abstract AB