Dr. William J Castillo M.D.

IntroductionDoctors who specialize in the diagnosis and treatment of conditions or diseases of the cardiovascular system (the heart and blood vessels) are called heart doctors or cardiologists. These specialists are trained to identify, treat, and help prevent heart issues. There are also different...

Muscular dystrophy is a category of muscle diseases that cause progressive weakness and loss of muscle mass.  Muscular dystrophy (MD) is either inherited or can be due to a genetic mutation. Kids with MD usually follow a normal pattern of growth development in the first few years of their lives,...

Kawasaki disease is a rare childhood disease that causes inflammation of the arteries in the body. The characteristic symptoms of the disease, which is high fever and peeling skin, remains for almost a week. In most cases, it gets back to normal without any major issues. Children will be monitored...

Tetralogy of FallotTetralogy of Fallot is a congenital heart defect, which affects the heart’s structure, causing blood with low levels of oxygen to circulate throughout the body. Babies born with tetralogy of Fallot tend to have a blue discoloration of the skin due to low oxygen levels in their...

Neonatal lupus is a not so common autoimmune disease. It is not true lupus as all the symptoms will completely disappear after 6 months of age. Neonatal lupus is also known by several other terms. The condition is also called as:...

Surgical treatment is the most appropriate option for inborn heart defects, which is not something you can put off.What is a congenital heart defect (CHD)?It is combined damage of the heart muscle in which there are structural deformations and anomalies in the inner chamber partitions, as well as...