Every year, there are several hundred thousand episodes of neonates and children experiencing thromboembolic incidents. These episodes of blood clotting have many causes, some congenital but most caused by underlying problems, such as arterial disease, renal disorders, systemic lupus erythematosis or leukemia. Many more are caused by therapeutic interventions in critical care. The author is a world recognized expert on the topic who has studied thousands of cases. Based on this clinical research, the author provides guidelines for the proper diagnosis and therapeutic interventions for thrombolic disorders, no matter what the cause. She covers the newest drug therapies including oral anticoagulation preparations.