Understanding ECG and Echocardiography: Key Uses & Variations For better heart care, it is essential to understand the difference between an ECG and echocardiogram and how each helps detect heart problems. Many people are confused between different medical tests, however ECG and echocardiogram are commonly recommended cardiac diagnostic tools in https://www.diigo.com/item/note/b2kov/j8d6?k=75a5fcdb000fa091eb319bc9cf8028a4