Children with defects with decreased pulmonary blood flow frequently have which of the following symptoms?

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Children with defects leading to decreased pulmonary blood flow often exhibit symptoms related to inadequate oxygenation and compensatory mechanisms. These include hypoxia (low oxygen levels in the blood), cyanosis (a bluish coloration of the skin due to low oxygen levels), polycythemia (an increase in the number of red blood cells to compensate for hypoxia), and erythrocytosis (a similar condition to polycythemia, focusing on the increased concentration of red blood cells). These symptoms arise because the heart is unable to pump sufficient oxygenated blood through the body, including to the lungs for oxygenation.

Children with Defects with Decreased Pulmonary Blood Flow Frequently Have