Cardiovascular and interventional radiology
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The authors encountered a patient with an indwelling central venous catheter who presented with pulmonary edema after the catheter hub was disconnected. Pulmonary arteriography demonstrated diffuse peripheral vasoconstriction, decreased arterial-to-venous transit time, and arterial occlusions. The former two findings allowed the authors to prospectively suggest the diagnosis of pulmonary air embolism.