What is it?

Pulmonary atresia is a congenital defect that typically is diagnosed soon after birth. In this condition, the valve through which blood flows from the heart to the lungs, does not form correctly. The blood finds other passages to flow to the lungs, within the heart and its arteries, which are closed soon after birth. This condition is life threatening, and has to be treated for the baby to live. Risk factors for pulmonary atresia is a parent or sibling ith this condition, a mother who was obese before pregancy, smooking before or during preganncy, a mother with uncontrolled diabetes, and maternal usage of severeal medications.

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Signs & symptoms

Symptoms of pulmonary atresia may include a blue or gray tones skin baby, difficulty to breath, feeding problems, and fatigue.


Diagnosis of pulmonary atresia may include pulse oximetry, chest X-ray, ECG, echocardiogram, cardiac catheterization, and a CT-scan.


Treatment for pulmonary atresia are prostaglandins to prevent the closure of the
ductus arteriosus, so that blood can continue to flow, just until the correction of the atresia. Procedure for correction of the abnormality are either via catheterization or open heart surgeries.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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