Lower resting heart rates indicate cardiovascular fitness. Though lower resting heart rates can also be a sign of a disease or condition, such as bradycardia, generally, it's better to have a lower resting heart rate, as it's a sign of a healthy heart.
The treatment is necessary because the baby was born early and even though the organs are developed they need the ventilator to help the baby breathe so it wont pass away. hope this helps
