• Haoyi Zheng, Kathleen Stergiopoulos, Lin Wang, Lu Chen, and Jane Cao.
• The Heart Center, St. Francis Hospital, Roslyn, USA.
• Cureus. 2020 Aug 30; 12 (8): e10137.

AbstractThis case series describes clinical course of three COVID-19 patients who presented with major thromboembolic events. Patient 1 is a 57-year-old male with asymptomatic COVID-19 who presented with a large left ventricular thrombus. His hospital course was complicated with a stroke. Patient 2 is a 71-year-old male with mild COVID-19 who presented with an acute stroke. Patient 3 is a 47-year-old male with severe COVID-19 who presented with a large pulmonary embolism. He died of a recurrent massive pulmonary embolism. This case series demonstrates that thromboembolic event can be the presenting feature of COVID-19 and can occur in the patients with asymptomatic or mild COVID-19. Diffuse endothelial injury and hypercoagulability play a pivotal role in recurrent thromboembolic events despite the anticoagulation. Therapeutic anticoagulation may be considered for severe COVID-19 patients and patients with important comorbidities or pre-existing endothelial dysfunction.Copyright © 2020, Zheng et al.

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