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. 2020 Oct 1;40(6):1574–1599. doi: 10.1148/rg.2020200149

Figure 17a.

Saddle embolus in a 52-year-old man who presented to the emergency department with hypoxia and tachycardia and received positive test results for COVID-19. (a–c) Axial chest CT angiographic images show a saddle embolus (arrows in a), extending into the lobar and segmental pulmonary artery branches bilaterally, and associated dilatation of the right ventricle, suggestive of right heart strain (arrow in b). Patchy peripheral GGOs on the right and a nodular area of consolidation (arrows in c) on the left are typical findings of COVID-19 pneumonia. (d) Gray-scale (left) and corresponding color Doppler (right) US images of the left femoral vein (FV) obtained in the transverse plane show a partially occlusive thrombus (arrows). The vein was not compressible at manual compression (not shown).

Saddle embolus in a 52-year-old man who presented to the emergency department with hypoxia and tachycardia and received positive test results for COVID-19. (a–c) Axial chest CT angiographic images show a saddle embolus (arrows in a), extending into the lobar and segmental pulmonary artery branches bilaterally, and associated dilatation of the right ventricle, suggestive of right heart strain (arrow in b). Patchy peripheral GGOs on the right and a nodular area of consolidation (arrows in c) on the left are typical findings of COVID-19 pneumonia. (d) Gray-scale (left) and corresponding color Doppler (right) US images of the left femoral vein (FV) obtained in the transverse plane show a partially occlusive thrombus (arrows). The vein was not compressible at manual compression (not shown).