PMC9045534_01
Computed tomography angiography of the chest, axial plane, showing failure to completely fill right (A) and left (B) pulmonary arteries because of obstruction by thrombus (arrows).
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In order to try to explain the dyspnea, computed tomography angiography of the chest (CTA) was conducted, which found no signs of pneumonia, but did show thrombus in the pulmonary artery bilaterally (Figure 1) with areas of pulmonary infarction on the right (Figure 2).
Computed tomography angiography of the chest, with pulmonary parenchyma window, showing area of pulmonary infarction on the right (arrow).
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In order to try to explain the dyspnea, computed tomography angiography of the chest (CTA) was conducted, which found no signs of pneumonia, but did show thrombus in the pulmonary artery bilaterally (Figure 1) with areas of pulmonary infarction on the right (Figure 2).
Computed tomography angiography of the chest, coronal plane, showing restored blood flow to right (A) and left (B) pulmonary arteries and removal of a large proportion of the thrombus.
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Alteplase, it was observed that the dyspnea had improved. A repeat chest CTA was performed (Figure 3), 9 hours after the first, showing good restoration of flow and resolution of a large proportion of the thrombus.