What is the symtom for babies who has heart disease?

Many: From none to squatting, to shortness of breath, unable to pkay very long, to "clubbed fingers" = a sign, not a symptom.

Depends: Some of the heart diseases can be asymptomatic for a long time, another may present with symptoms on the 2-3 day of life. The most common early symptoms may be persistent cyanosis (blue hue) around the mouth, eyes, hands and feet, fatigue with a feeding, poor weight gain, decreased urine output, shortness of breath, - are some of them. They may come at the different time frame and not all together.

Variable: Cyanotic heart disease will present as blue color, not just hands and feet but all over. Other conditions symptoms may be fast breathing, poor feeding, slow weight gain. A murmur may be present and loud, or no murmur may be heard at all.