Also, an artery that is partially blocked with
plaque can reduce blood flow to the brain and cause
Rare causes of blood clots that can cause a TIA include:
Clumps of bacteria, tumor cells, or air bubbles
that move through the bloodstream.
Conditions that cause blood
cells to stick together. For example, having too many red blood cells (polycythemia), abnormal
clotting factors, or abnormally shaped red blood
cells, such as those caused by
sickle cell disease, may cause blood clots to form.
Inflammation in the blood vessels, which may develop from
conditions such as
tuberculosis, or other inflammatory
A head or neck injury that results in damage to blood
vessels in the head or neck.
A tear in the wall of a blood vessel
located in the neck.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
September 09, 2014
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this