Computed tomography and pulmonary embolus: a review.

Pulmonary embolus (PE) is a common clinical condition with significant morbidity and mortality that remains a diagnostic challenge for clinicians. Although many tests exist, multi-detector computed tomography (MDCT) pulmonary angiography has recently emerged as the test of choice. MDCT technique, diagnostic criteria, prognosis assessment and common causes of misdiagnosis are reviewed with a look toward future trends.