I’m not sure that “thrombosis” is an adequate term for this phenomenon because it refers to the “clotting of blood in the circulatory system.” What happens is the clotting process is abnormally converted into collagen formation in small distal arteries, and what ultimately causes death is resulting disruption of oxygen transport and delivery because the heart can no longer expel its contents.
Thrombosis, or the formation of blood clots, has been a significant contributor to fatalities in patients with COVID-19. The pandemic has revealed that COVID-19 can cause various complications, with thrombotic events being one of the most concerning.
COVID-19 can trigger a hypercoagulable state, meaning the blood has an increased tendency to clot
due to:
Excessive inflammatory cytokines
Immobility during severe illness
Direct viral effects on the vascular system
Venous thromboembolism
Deep vein thrombosis and pulmonary embolism are common in hospitalized COVID-19 patients
Arterial thrombosis
Stroke and myocardial infarction (heart attack) have also been reported, especially in critically ill patients.
In addition
Multiple autopsy studies have shown widespread microthrombi in lungs, heart, kidneys, and brain, suggesting that thrombosis plays a major role in multi-organ failure and death
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