The possibility of an accompanying serious heart disorder should also be evaluated. A number of blood tests may be helpful for predicting the risk for a stroke as well determining the severity and complications of an existing stroke. Some of these are investigatory. Some blood tests are used to determine clotting times. One blood test measures glutamate, an amino acid.
High levels indicate a severe stroke.
The inflammatory response in the brain stimulates the release of certain markers that are used to diagnose a stroke.