Pulmonary Thromboembolic Disease Associated with Post-Acute Sequelae of SARS-CoV-2 Infection

**Semantic type:** Disease or Syndrome

**Definition:** Intravascular migration of a venous embolus to the pulmonary arterial circulation, microvascular thrombosis in the pulmonary capillaries, or pulmonary artery thrombus in situ diagnosed by a positive pulmonary angiogram, an unequivocally positive helical CT scan, a high-probability ventilation-perfusion scan, or autopsy that started during probable or confirmed acute COVID-19 and persisted beyond four weeks after the initial diagnosis of COVID-19.

**Synonyms:** - PASC Pulmonary Thromboembolic Disease - PASC pulmonary thromboembolic disease - Post-Acute Sequelae of COVID-19 Pulmonary Thromboembolic Disease