Q20.0

Clinical Causes: Genetic factors or chromosomal abnormalities, such as 22q11 microdeletion syndrome Environmental influences during pregnancy, including maternal diabetes or exposure to certain drugs or infections Unclear exact causes, as it often results from complex developmental processes during fetal growth

Key Symptoms: Rapid breathing or difficulty breathing, especially during feeding Poor feeding and weight gain Signs of congestive heart failure in infants, including sweating during feeds and fatigue Cyanosis, or a bluish tint to the skin, lips, or fingertips Frequent respiratory infections Lung congestion and increased blood flow to the lungs

Diagnosis Path: Diagnosis typically involves a combination of clinical assessment and diagnostic testing, including: - Echocardiogram: An ultrasound of the heart that provides detailed images of the heart's structure and function - Chest X-ray: To observe the size and shape of the heart and lungs - Electrocardiogram (ECG): To detect electrical activity abnormalities - Cardiac MRI or cardiac catheterization may be used in complex cases for detailed visualization and assessment A definitive diagnosis is usually established after echocardiography reveals the presence of a single arterial trunk and associated heart defects. Medical professionals rely on these testing methods to confirm the diagnosis and plan appropriate treatment options.

Treatment Protocols: Treatment of common arterial trunk involves surgical intervention, usually early in life, to separate the pulmonary arteries from the common trunk and repair associated defects: - Surgical procedures often include the closure of a ventricular septal defect (hole between the ventricles) and the creation of two functioning arteries, restoring normal blood flow - In some cases, additional surgeries or procedures may be necessary later to address residual or related issues - Postoperative care focuses on monitoring cardiac function, preventing infections, and supporting overall health - Long-term follow-up is essential to detect potential complications such as valve problems or arrhythmias While surgery can significantly improve quality of life and survival, ongoing medical management may be necessary to support heart health and development.