A new study suggests that computed tomography (CT) angiography might be unnecessary in many patients suspected of having pulmonary embolism (PE), based on the results of risk assessment analysis.

June 15, 2010 — Computed tomography (CT) angiography may not be needed to rule out suspected pulmonary embolism (PE) in patients who have no risk factors, according to the results of a study ...

physicians should reserve CT pulmonary angiography for patients who are at intermediate to high risk for pulmonary embolism on the basis of diagnostic algorithms that combine clinical probability ...

and pulmonary angiography may be required in patients with previous embolism. 39 The use of contrast medium in the amounts required for CT scanning (100 to 150 ml) poses a substantial risk of ...

If a doctor suspects you may have a pulmonary embolism (PE), a CT scan is the gold standard of imaging techniques. This painless scan uses intravenous (IV) contrast, a type of dye, to help the ...

A computed tomographic (CT) scan showed multiple thrombi ... test to confirm the presence of pulmonary embolism. 13 The use of selective pulmonary angiography has declined and is currently ...

"We recommend CT angiography because a traditional CT ... 22 percent of patients were found to have a pulmonary embolism. Patients with a BMI (body mass index) of 30 or higher are nearly three ...

Emergency physicians are still too often turning to CT pulmonary angiography (CTPA) to evaluate suspected pulmonary embolism (PE), recent data from two US metropolitan areas indicate. Of more than 1.8 ...

and a subsequent ventilation-perfusion scan was of intermediate probability for pulmonary embolism. Heparin was administered, and CT pulmonary angiography was performed later that day using a ...

Based on the results of risk assessment analysis, a new study suggests that computed tomography (CT) angiography might be unnecessary in many patients suspected of having pulmonary embolism (PE).