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      • With an ASD, blood can flow through the hole from the left atrium (where the pressure is normally higher) into the right atrium. The extra blood may then travel to the lungs, which can result in shortness of breath, heart rhythm disturbances (atrial fibrillation), stroke and pulmonary hypertension (high blood pressure in the lungs).
      www.uhs.nhs.uk/Media/UHS-website-2019/Patientinformation/Cardiovascular-and-thoracic/Adult-congenital-heart-service-atrial-septal-defect-ASD-1568-PIL.pdf

      Adult congenital heart service: atrial septal defect (ASD)

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  3. www.bhf.org.uk › conditions › atrial-septal-defectAtrial septal defect - BHF - British Heart Foundation

    An atrial septal defect (ASD) is a hole in the atrial septum, the wall between the two upper chambers of the heart (atria). It’s a type of congenital heart disease , which means it is something you are born with.

  4. www.mayoclinic.org › symptoms-causes › syc-20369715Atrial septal defect (ASD) - Symptoms and causes - Mayo Clinic

    • Overview
    • Symptoms
    • Causes
    • Risk Factors
    • Complications
    • Prevention

    An atrial septal defect (ASD) is a heart condition that you're born with. That means it's a congenital heart defect. People with an ASDhave a hole between the upper heart chambers. The hole increases the amount of blood going through the lungs. Small atrial septal defects might be found by chance and never cause a concern. Others might close during...

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    A baby born with an atrial septal defect (ASD) may not have symptoms. Symptoms may begin in adulthood. Atrial septal defect symptoms may include: 1. Shortness of breath, especially when exercising. 2. Tiredness, especially with activity. 3. Swelling of the legs, feet or belly area. 4. Irregular heartbeats, also called arrhythmias. 5. Skipped heartb...

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    The cause of atrial septal defect is not clear. The problem affects the structure of the heart. It happens as the baby's heart is forming during pregnancy. The following may play a role in the cause of congenital heart defects such as atrial septal defect: 1. Changes in genes. 2. Some medical conditions. 3. Certain medicines. 4. Smoking. 5. Alcohol...

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    Atrial septal defect (ASD) occurs as the baby's heart is forming during pregnancy. It is a congenital heart defect. Things that may increase a baby's risk of atrial septal defect or other heart problems present at birth include: 1. German measles, also called rubella, during the first few months of pregnancy. 2. Diabetes. 3. Lupus. 4. Alcohol or to...

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    A small atrial septal defect might never cause any concern. Small atrial septal defects often close during infancy. Larger atrial septal defects can cause serious complications, including: 1. Right-sided heart failure. 2. Irregular heartbeats, called arrhythmias. 3. Stroke. 4. Early death. 5. High blood pressure in the lung arteries, called pulmona...

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    Because the cause of atrial septal defect (ASD) is not clear, prevention may not be possible. But getting good prenatal care is important. If you were born with an ASD, make an appointment for a health checkup before becoming pregnant. During this visit: 1. Talk about current health conditions and medicines.It's important to closely control diabete...

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  6. my.clevelandclinic.org › health › diseasesAtrial Septal Defect (ASD): Symptoms, Causes and Treatment

    Jul 15, 2022 · An atrial septal defect (ASD) is a hole in the atrial septum, which is the wall that separates your heart’s two upper chambers (atria). An ASD is a congenital heart defect (something you’re born with) that happens when the septum doesn’t form properly.

  7. www.heart.org › atrial-septal-defect-asdAtrial Septal Defect (ASD) - American Heart Association

    An opening or hole (defect) in the wall (septum) that separates the top two chambers of the heart (atria). This defect allows oxygen-rich blood to leak into the oxygen-poor blood chambers in the heart.

  8. www.leedsth.nhs.uk › patients › resourcesAtrial Septal Defect (ASD) - Leeds Teaching Hospitals NHS Trust

    5 days ago · An atrial septal defect (ASD) is a hole between the two collecting chambers of the heart, known as ‘atria’. The hole allows blood to cross from the left chamber to the right chamber leading to extra blood flow through the lung arteries and lungs. Usually patients with an ASD have very few symptoms but eventually, during later adult life ...

  9. dhg.org.uk › information › atrial-septal-defectAtrial Septal Defect - Down's Heart Group

    There are three types of Atrial Septal Defect, the most common is where the hole is in the middle of the atrial septum (central heart wall) called the secundum defect.

  10. www.healthline.com › health › heartAtrial Septal Defect: Definition, Causes, Treatment, Outlook

    May 18, 2022 · An atrial septal defect is a hole in the wall inside the heart known as the septum, which divides the left and right atrium. According to 2018 research, this condition is the third most...