The Delayed Diagnosis of a Submassive Pulmonary Embolism Following Influenza A Infection Treated With Half-Dose Tenecteplase: A Case Report.

The coronavirus 2019 (COVID-19) pandemic has brought renewed attention to thrombotic complications arising from respiratory viral infections, driven by inflammatory responses and activation of the coagulation cascade. While influenza typically resolves on its own, information about its thromboembolic risks remains limited. The persistence of symptoms and the similarity between influenza symptoms and those of pulmonary embolism (PE) often lead to diagnostic delays, which can significantly impact patient outcomes.