PMC8230155_01
Transesophageal echography showing a thrombus (a) straddling the patent foramen ovale (b), originating from the right cavities (a-c) and extending into the left ventricle (b and d). LA: left atrium, LV: left ventricle, RA: right atrium, LV: left ventricle
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F1
A computed tomographic angioscan demonstrated no pulmonary infiltrate but found a bilateral pulmonary embolism with a dilated right ventricle [Figure 1a]. It showed an in-transit mobile embolus originating from the right ventricle, straddling the PFO and extending to the left ventricle [Figure 1b-d].
Computed tomography scan showing a bilateral pulmonary embolism (a) with a thrombus in the right cavities (b and c), entrapped in the patent foramen ovale (b) and extending to the left cavities (b and d). LA: left atrium, LV: left ventricle, RA: right atrium, LV: left ventricle
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F2
A synchronized cardiac scan confirmed our hypotheses [Figure 2].
(Left) Images of the thrombus. (Right) Surgical view of the embolus. IVC: Inferior vena cava, LA: right atrium, PFO: Patent foramen ovale
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F3
A large surgical embolectomy [Figure 3] with a peripheral cardiopulmonary bypass was performed through sternotomy.