Bedside pulmonary angiography in the critically ill patient

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Abstract
A simple technique to perform pulmonary angiography at the bedside in critically ill patients is presented. A central venous pressure catheter placed into the right ventricle or in the main pulmonary artery allows manual contrast injection into the vascular pulmonary tree which can be satisfactorily visualized by means of a "penetrated" chest x-ray film. The method discussed herein presents evidence of usefulness in establishing the differential diagnosis of acute pulmonary embolism in patients who cannot be mobilized or in those institutions where facilities of catheterization-angiographic laboratory are not available.

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