It is understandable to be concerned when a baby's ultrasound shows an enlarged heart and a high heartbeat. While an enlarged heart in infants can be a cause for concern, it does not necessarily mean that the baby will not be okay. The prognosis depends on various factors such as the underlying cause of the enlargement and any associated complications. It is crucial to consult with pediatric specialists who can provide accurate diagnosis and appropriate treatment options tailored to your baby's specific condition. They may recommend further tests, such as echocardiograms or genetic testing, to determine the cause of the enlargement and develop an effective treatment plan. With timely medical intervention and proper care, many babies with enlarged hearts can lead healthy lives. However, every case is unique, so it is essential to follow your healthcare provider's guidance closely and seek emotional support during this challenging time.