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Understanding the Context

That means it's a congenital heart defect. Researchers aren't sure what causes most types of congenital heart defects. WPW syndrome may occur with other congenital heart defects, such as Ebstein anomaly. Rarely, WPW syndrome is passed down through families.

Key Insights

White stool isn't typical. If you have white stool, you should see a medical professional right away. A lack of bile causes white or clay-like stool. That may mean a serious underlying problem. Bile is a digestive fluid produced by the liver and stored in the gallbladder.

Final Thoughts

Stool gets its typical ... Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress. The affected body parts, usually fingers and toes, might turn white then blue. Depending on your skin color, these color changes may be harder or easier to see. The affected areas may feel cold and numb until blood flow improves, usually after warming up.