Question: what are the four major categories of blood coagulation disturbances?
Answer: Hemophilia. This condition is a bleeding disorder in which blood does not clot normally. ... 
Von Willebrand disease. ... 
Other clotting factor deficiencies. ... 
Disseminated intravascular coagulation. ... 
Liver Disease. ... 
Overdevelopment of circulating anticoagulants. ... 
Vitamin K deficiency. ... 
Platelet dysfunction.