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Normally, one-way valves in the veins keep blood flowing to the heart.
A blood clot can form when the valve in a vein does not work properly. If the valve does not open normally, blood cells can collect behind the valve and begin to stick together to form a clot.
When a blood clot gets large enough, it can stop the flow of blood in the vein.
ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineMartin J. Gabica, MD - Family MedicineSpecialist Medical ReviewerJeffrey S. Ginsberg, MD - Hematology
Current as ofAugust 2, 2016
Current as of:
August 2, 2016
E. Gregory Thompson, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & Jeffrey S. Ginsberg, MD - Hematology
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