Thrombus

A thrombus or blood clot is the final product of blood coagulation, through the aggregation of platelets and the activation of the humoral coagulation system. Thrombus is physiologic in cases of injury, but pathologic in case of thrombosis.

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Conditions in which blood clots develop include atrial fibrillation (a form of cardiac arrhythmia), heart valve replacement, or a recent heart attack. Thrombi may cause obstruction of arteries and veins and they are possible sources of emboli. Preventing blood clots reduces the risk of a stroke or heart attack. Heparin and warfarin are often used to shrink and dissolve blood clots by thinning the blood (see anticoagulant).

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Coagulation: The coagulation of blood is a complex process during which blood forms solid clots. It is an important part of hemostasis whereby a damaged blood vessel wall is covered by a fibrin clot to stop hemorrhage and aid repair of the damaged vessel. Disorders in coagulation can lead to increased hemorrhag...

Platelets: REDIRECT Platelet...

Physiologic: Redirect Physiology...