Acute pulmonary embolism with right ventricle enlargement and clot-in-transit (IMAGE)

Radiological Society of North America

Acute pulmonary embolism with right ventricle enlargement and clot-in-transit

Caption

Acute pulmonary embolism (PE) with right ventricle (RV) enlargement and clot-in-transit. PE chest axial CT angiography images demonstrate pulmonary embolus in the right pulmonary artery (white solid arrow), an enlarged RV (dotted arrow), and thrombus transiting through the right atrium (black arrows), Pulmonary Embolism Reporting and Data System (PE-RADS) 4/RV+/T+. The “4” refers to the PE‑RADS ordinal category for the most proximal clot location (central arteries). “RV+” indicates RV enlargement (RV to left ventricle ratio ≥ 1.0). “T+” indicates definitive thrombus identified in the right atrium and/or RV.

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Radiological Society of North America (RSNA)

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