Diseases & Conditions > Heart & Blood Vessels

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  • Alpha Thalassemia
    Alpha thalassemia is a blood disorder in which the body has a problem producing alpha globin, a component of hemoglobin, the protein in red blood cells that transports oxygen throughout the body.
  • Anemia
    Anemia, one of the more common blood disorders, occurs when the number of healthy red blood cells decreases. This can result in a variety of symptoms, including fatigue and stress on all the body's organs.
  • Arrhythmias
    Arrhythmias are abnormal heart rhythms usually caused by an electrical "short circuit" in the heart. Many don't require treatment; however, some need to be evaluated and treated by a doctor.
  • Atrial Septal Defect
    Atrial septal defect (ASD) - also known as a "hole in the heart" - is a type of congenital heart disease. Fortunately, most ASDs are diagnosed and treated successfully.
  • Beta Thalassemia
    Beta thalassemia is a blood disorder in which the body has a problem producing beta globin, a component of hemoglobin, the protein in red blood cells that transports oxygen throughout the body.
  • Body Basics: The Heart (Slideshow)
    Learn how this amazing muscle pumps blood throughout the body.
  • Cardiac Catheterization
    This minimally invasive procedure helps doctors perform diagnostic tests on the heart and even treat some heart conditions.
  • Cholesterol and Your Child
    Most parents probably don't think about what cholesterol means for their kids. But high cholesterol is a risk factor for heart disease, which has its roots in childhood.
  • Coarctation of the Aorta
    Coarctation of the aorta is a treatable congenital defect in which a child's aorta is narrowed at some point.
  • Congenital Heart Defects
    Congenital heart defects involve abnormal or incomplete development of the heart. Learn about the different types of congenital heart defects.
  • De corazón: los padres hablan (video)
    En este video podrá ver hablar a los padres de los niños o adolescentes que tienen afecciones del corazón.
  • De corazón: nuestras historias (video)
    En este video, verá a cuatro niños hablar de sus vidas y la manera en la que conviven, y viven plenamente, con sus afecciones del corazón.
  • From the Heart: Our Stories (Video)
    In this video, hear from four kids and teens who are living — and thriving — with heart conditions.
  • From the Heart: Parents Talk (Video)
    Hear what's worked well for these families, who have kids who are living with heart conditions.
  • G6PD Deficiency
    An inherited condition, G6PD deficiency is when someone doesn't have enough of the enzyme G6PD, which protects red blood cells. Certain triggers can lead to anemia in kids who have G6PD deficiency.
  • Heart Health
    Are you heart smart? Learn about this amazing muscle, including how to care for kids with heart conditions.
  • Heart Murmurs and Your Child
    A heart murmur diagnosis is extremely common. Most murmurs are not a cause for concern and do not affect a child's health.
  • Hemophilia
    Hemophilia is a rare bleeding disorder that prevents the blood from clotting properly. With modern treatment, most kids who have it can lead full, healthy lives.
  • Henoch-Schönlein Purpura (HSP)
    Most kids who develop this inflammation of the blood vessels (marked by a raised red and purple rash) make a full recovery and have no long-term problems.
  • Hereditary Hemochromatosis
    This genetic disease causes the body to store too much iron. Over time, an iron build-up can be dangerous. Learn more about hemochromatosis.
  • High Blood Pressure (Hypertension)
    High blood pressure, or hypertension, is usually associated with older people. But some kids do have it, and it can be life-threatening if left untreated.
  • If Your Child Has a Heart Defect
    Congenital heart defects are relatively common, affecting almost 1 in every 100 newborns in the United States.
  • Iron-Deficiency Anemia
    Iron helps the body carry oxygen in the blood and plays a key role in brain and muscle function. Too little iron can lead to iron deficiency anemia. Read more here.
  • Kawasaki Disease
    Kawasaki disease is most common among children of Japanese and Korean descent, but can affect all ethnic groups. The first symptom is a high fever that lasts for at least 5 days.
  • Marfan Syndrome
    Marfan syndrome is a progressive genetic disorder that affects the body's connective tissue. Even though the disease has no cure, doctors can successfully treat just about all of its symptoms.
  • Metabolic Syndrome
    Metabolic syndrome is a group of health problems that put kids at risk for heart disease and diabetes. With lifestyle changes, however, many kids are able to improve their health and reduce their risk of disease.
  • Mitral Valve Prolapse
    Mitral valve prolapse (MVP) is a very common heart condition, but it isn't a critical heart problem or a sign of other serious medical conditions.
  • Patent Ductus Arteriosus (PDA)
    The ductus arteriosus (DA) is a blood vessel that connects two major arteries before birth and normally closes after a baby is born. When the DA stays open, a condition called patent ductus arteriosus (PDA) results.
  • Port-Wine Stains
    For most kids, these birthmarks are no big deal — they're just part of who they are. Read about port-wine stains, how to care for them, and, if necessary, what treatments are available.
  • Sickle Cell Disease
    Thanks to advancements in early diagnosis and treatment, most kids born with sickle cell disease grow up to live relatively healthy and productive lives.
  • Sickle Cell Disease: Mike's Story (Video)
    Learn how this teen helps manage his disease and stay on top of his game.
  • Sickle Cell Disease: Theresa's Story (Video)
    Find out what works for this teen when it comes to living with - and managing - her disease.
  • Stem Cell Transplants
    Stem cells help rebuild a weakened immune system. Stem cell transplants are effective treatments for a wide range of diseases, including cancer.
  • Strokes
    This "brain attack" happens when blood flow to the brain stops, even for a brief second. Signs and symptoms of strokes in kids are similar to those in adults.
  • Tetralogy of Fallot
    Tetralogy of Fallot is a combination of four birth defects that together affect the structure of the heart and how blood flows through it.
  • Ventricular Septal Defect
    Ventricular septal defect (VSD) - also known as a "hole in the heart" - is a congenital heart defect. Fortunately, most VSDs are diagnosed and treated successfully.
  • von Willebrand Disease
    Excessive or prolonged bleeding could be a sign of von Willebrand disease. Learn more about this genetic disorder that affects the blood's ability to clot.
  • When Your Child Needs a Heart Transplant
    If your child needs a heart transplant, you're probably feeling lots of emotions. Fortunately, many kids who undergo heart transplants go on to live normal, healthy lives.
  • Words to Know (Heart Glossary)
    A guide to medical terms about the heart and circulatory system. In an easy A-Z format, find definitions on heart defects, heart conditions, treatments, and more.

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