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Tetralogy of Fallot

What is Tetralogy of Fallot?

Tetralogy of Fallot is a congenital heart defect that is characterized by a combination of four heart defects: Ventricular Septal Defect, Pulmonary Valve Stenosis, Right Heart Enlargement and the aorta growing from both ventricles instead of only from the left ventricle (left lower heart chamber). These defects lead to mixture of the oxygen-rich and oxygen-poor blood, result in poorly oxygenated blood being delivered to the rest of the body. Babies with tetralogy of fallot may experience intermittent episodes of extreme cyanosis (blue colored skin) during crying and feeding. These cyanotic attacks are serious and can be life-threatening. With early diagnosis and treatment, most children suffering from this condition are able to lead normal lives although they require regular medical care and have restrictions on exercise.

What are the Signs and Symptoms of Tetralogy of Fallot?

Signs and symptoms of Tetralogy of Fallot may include:

  • Distorted vision
  • Fatigue
  • Have a blue or purple discoloration of the skin and mucous membranes due to lack of oxygen (cyanosis)
  • Heart Murmur
  • Irritability
  • Poor weight gain
  • Prolonged crying
  • Seeing spots or floaters in the field of vision
  • Shortness of breath, especially during feeding
  • Syncope

What Causes Tetralogy of Fallot?

The cause of Tetralogy of Fallot is not known or still under medical review.

What Increases the Risk of Tetralogy of Fallot?

The risk of Tetralogy of Fallot increases when you/your:

  • Are suffering from DiGeorge Syndrome
  • Are suffering from Down Syndrome
  • Have a family history of Congenital Heart Defect
  • Were born to a mother who consumed alcohol during pregnancy
  • Were born to a mother who suffered from malnutrition during pregnancy
  • Were born to a mother who was 40 years and older during pregnancy

What Complications Can Tetralogy of Fallot Cause?

Tetralogy of Fallot may result in the following complications:

How Can You Prevent Tetralogy of Fallot?

No specific prevention guideline exists for Tetralogy of Fallot at this moment.

What Treatments are Available for Tetralogy of Fallot?

Treatments and management of Tetralogy of Fallot may vary depending on the individual patient and the severity of the medical condition. Treatment options may include:

  • Intracardiac Repair
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