The signs of a dangerous blood clot can vary depending on its location. Some people may also not experience any symptoms.

the soft center where new blood cells grow. It causes your marrow to make too many red blood cells so your blood is too thick. You may be more likely to have clots, a stroke, or a heart attack.

Anemia is when you have low levels of red blood cells. When this happens, your organs and tissues have a harder time getting oxygen. You may feel fatigue, weakness, and shortness of breath.

This measures the levels of different types of blood cells, like red blood cells, white blood cells, and platelets. Having this done “with differential” will break down the different types of ...