ECG Vs. Echocardiogram: Key Differences and Uses Explained When it comes to heart health, knowing the difference between ECG vs. Echocardiogram is very important to keep track of your heart condition. People sometimes confuse heart tests, but ECG and echocardiogram are primary cardiac diagnostic tools in cardiology centers such as https://www.diigo.com/item/note/b2kov/j8d6?k=75a5fcdb000fa091eb319bc9cf8028a4