Do you always need a high radiation contract chest CT to rule out pulmonary embolism?

CT angiogram is. the gold standard for diagnosis of pulmonary embolism. Another alternative is nuclear medicine V/Q lung scan, but it is less specific and less accurate. Every diagnostic test or maneuver has risk/benefit ratio. In cases where the clinical suspicion of PE is high, the risk of radiation dosage of CT angio is considered much less than the potential benefits of accurate diagnosis.

Related Questions

Chances on pulmonary embolism/clot. 7wkpregnant. On off chest pain after cold. Er said likely pluerisy said hard to rule out clot without radiation.

Call your OB. Difficult diagnosis in this circumstance. Please call your OB now for guidance. Feel better. Read more...
Sounds serious. That sounds potentially serious. I would get back in to see your obgyn immediately and ask them if you need other tests like a doppler exam of your legs or other tests. Read more...
M.D. visit. During pregnancy a number of pulmonary conditions may develop. Your recent cold and then the onset of chest pain may be related as the ED physician indicated. If it occurs more upon inspiration, then pleurisy is more likely than asthma. Your PPI use for GERD is another reason since GERD can mimic chest pain. The diagnosis of PE may also involve a VQ scan and Doppler ultrasound to avoid contrast. Read more...

Will a CT angiogram of the coronary arteries reveal a pulmonary embolism or other lung disease and is it harmful to have 2 CT scans in the same month?

It might. A CT angiogram or the coronaries might show a pulmonary embolism, provided that the radiologists obtained full field of view reconstructions (some do not) and the pulmonary embolism is not higher or lower than the field of view. most often, the answer would be yes, a significant PE would be identified on this type of scan. having two ct's in the same month is not optimal, but likely of no harm. . Read more...