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Doctor insights on: People With Atrial Septal Defect Murmur When Is It Dangerous To You

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People with atrial septal defect murmur. When is it dangerous to you?

People with atrial septal defect murmur. When is it dangerous to you?

Good question: Atrial septal defects are holes in the wall separating the right and left atria. If the holes are very tiny, they may heal completely and disappear. If the holes are small, they may continue to exist, but may be harmless long-term. Large atrial septal defects can cause heart failure in the long term and often need surgical repair to prevent premature death. ...Read more

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Dr. Barton Cook
400 doctors shared insights

Heart Murmur (Definition)

Heart murmurs are clinical findings in which a physician hears a murmur (a sound caused by the flowing and turbulence of blood) during the physical exam of a patient. Murmurs occur due abnormalities in the valves of the heart ...Read more


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Would a small atrial septal defect cause a murmur? Or does it usually have to be a certain size to cause murmur?

Would a small atrial septal defect cause a murmur? Or does it usually have to be a certain size to cause murmur?

It can: Murmurs occur when blood flows turbulently from one area to another area. If the pressure between the two atria is different, blood can flow through even a small defect from one side to the other. In fact, small defects often cause louder murmurs because the blood going through a smaller hole is noisier than through a big hole. ...Read more

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Is there a correlation between an atrial septal defect and a heart murmur?

Is there a correlation between an atrial septal defect and a heart murmur?

Yes, but...: There are many reasons and/or heart defects which can be responsible for a heart murmur. An atrial septal defect (ASD) is one of them. This is a hole in the upper chambers in the heart which allows extra blood to pass into the right side of the heart. This extra volume load causes mild turbulence when it travels to the lungs, thus causing the murmur. ...Read more

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If an atrial septal defect is causing a murmur, does it usually also cause a wide split s2 (racepinephrine)?

ASD: A murmur and a wide fixed split of s2 (racepinephrine) are the standard features of atrial septal defect. Most atrial septal defect needs to be treated surgically or by intervention. ...Read more

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Abnormal shunt left to right atrium suggestive small atrial septal defect can this make the shunt also go right to left if so is it dangerous?

If RA>LA pressure: Shunt flow will direct from the higher pressure chamber to the lower pressure one. This usually results in left to right shunting across an asd. Over time, as flow into RA is increased, a corresponding increase in pulmonary blood flow will lead to pulmonary hypertension. The subsequent rise in right sided pressures will lead to reverse shunting (r to l) with cyanosis (eisenmenger). ...Read more

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Is an atrial septal defect repair surgery dangerous?

Heart surgery risk: All open heart surgery is dangerous. Many asds are now closed without surgery, using a catheter placed in a leg vein. ...Read more

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Is exercise dangerous for atrial septal defect]?

Is exercise dangerous for atrial septal defect]?

Cardiac exercises: No it shouldn't be if you speak to your cardiologist to find out what your limitations are. ...Read more

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What does it mean if my child has atrial septal defect?

What does it mean if my child has atrial septal defect?

Atrial septal defect: 4 types. Ostium primum, ostium secundum, sinus venosus asd, patent foramen ovale. Ostium primum and sinus venosus require open heart repair. Secundum, depending on size may be amenable to clamshell device vs open heart surgery repair. Pfo most amenable to endovascular repair. Diagnosed by echocardiogram, cardiac cath. Shunt fraction, arrythmias, reversibility of pulmonary hypertension all important. ...Read more

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What's the most effective way to treat atrial septal defect?

Two choices: Depending upon the characteristics of the defect; there are 2 ways to close an atrial septal defect. The traditional approach has been surgery with a success rate of nearly 100%; however there is a risk of arrhythmia and effusion. More recently, catheter delivered closure devices have been used for select patients.. The overall success rate is about 98% and the risk of complications is lower. ...Read more

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What are the symptoms associated with an atrial septal defect?

What are the symptoms associated with an atrial septal defect?

Often none: Even patients with large asds often have no symptoms until later in life. Some young children with large asds get respiratory infections more commonly. As patients age, they can have symptoms of right heart failure (decreased energy, large liver, swollen ankles), rhythm abnormalities or cyanosis (turning blue from not enough blood getting to the lungs). We try to treat asds before symptoms develop. ...Read more

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