Fig. 1From: Unenhanced multidetector computed tomography findings in acute central pulmonary embolismThis patient was seen in the emergency department with dyspnea and diagnosed with an acute pulmonary embolism by CTPA. a Non-contrast computed tomography showed high attenuation emboli in the right pulmonary artery (arrow). b Post-contrast image showed filling defects in the right pulmonary arteryBack to article page