A **normal ECG (electrocardiogram)** shows that the heart’s electrical activity is functioning properly, with regular rhythm, normal heart rate (usually 60–100 beats per minute), and correctly shaped waves (P wave, QRS complex, and T wave). In contrast, an **abnormal ECG** indicates irregularities in the heart’s electrical signals, such as arrhythmias, blocked pathways, heart enlargem... https://sunfox.in/blogs/what-does-normal-ecg-and-abnormal-ecg-mean/