If your ECG (electrocardiogram) is normal, then your heart is likely in good health. An ECG measures the electrical activity of your heart, and can help detect any abnormalities in your heart's rhythm. It can be used to detect arrhythmias, or irregular heartbeats, and can help diagnose coronary artery disease, heart attack, and other heart-related conditions. If your ECG is normal, then your heart is likely functioning normally, and you should have no reason to be concerned.
It is important to note, however, that an ECG is not a foolproof test. Even if your ECG is normal, there may be other underlying health issues that may be present that the ECG cannot detect. This is why, even if your ECG is normal, it is still important to visit your doctor for regular checkups and to discuss any symptoms or concerns you may have about your heart health.
In summary, if your ECG is normal, then your heart is likely in good health. However, it is still important to visit your doctor regularly for checkups and to address any symptoms or concerns you may have about your heart health.