Patient Education

Heart Health Library

Our Health Library does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their heart health. Our providers may not see and/or treat all topics found herein.

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Formation of a blood clot in a vein

Normal blood flow

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slide 1 of 3, Normal blood flow,

Normally, one-way valves in the veins keep blood flowing to the heart.

Blood clot forming

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slide 2 of 3, Blood clot forming,

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.

Formed blood clot

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slide 3 of 3, Formed blood clot,

When a blood clot gets large enough, it can stop the flow of blood in the vein.

Current as of: August 6, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.