A member asked:

Dr order pulm. ventilation/perfusion scan for tachardyia and sob. have normal chest x-ray, ekg, pulmonary test and blood work. odds it's an embolism?

5 doctors weighed in across 2 answers
Dr. Anthony Filly answered

Specializes in Radiology

See below: Prob not a pulmonary embolism but certainly good thing to rule out. I prefer ct pulmonary angiogram to vent perfusion but it should be adequate.

Answered 1/13/2015

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Odds don't count: Stastitics are only guidelines and don't apply to individual cases. A lung scan (v/q) is accurate if it is considered high probability or normal. The " gold standard" is computerized angiogram of the chest which is very accurate both to diagnose or exclude pulmonary embolism. Talk to your md. If you have no medical contraindications, i would prefer the ct angiogram.

Answered 10/20/2013

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