Assertion: heart defect | /r/Causes | oxygen-poor blood
Facets:
Source sentences:
text: If your child's heart defect causes oxygen-poor blood to mix with oxygen-rich blood in his or her heart, your child may develop a grayish-blue skin color, a condition called cyanosis.
text: If your child's heart defect causes oxygen-poor blood to mix with oxygen-rich blood in his or her heart, your child may develop a grayish-blue skin color, a condition called cyanosis.