At highest field strengths, the core of the clot may have low signal on T2-weighted images, due to the presence of intracellular methemoglobin or of deoxyhemoglobin.
Three years ago I had a scheming stroke, a blood clot in my brain and made my right side of my body paralyzed, and so I had to work really hard to reconnect my brain to my body.
Plaque building up in the coronary arteries, so the ones that transport oxygen-rich blood around the heart, can over time cause a blood clot to form, which cuts off some of the heart muscle and causes it to die.
If you have thick blood, if you get wounded, if you cut your skin, you're more likely to form a blood clot, as in, on the outside of the skin, so it's less likely, you're less likely to bleed out.
Those who scored higher on a racial bias test were less likely to prescribe black patients a drug that would reduced blood clots and prevent heart attacks.
The most common places for such clots to develop are in the deep veins of the legs and in the vessels that carry de-oxygenated blood through the lungs.