Understanding ECG and Echocardiography: Key Uses & Variations When it comes to cardiac care, learning about ECG vs. Echocardiogram is a must to ensure you receive correct treatment. Many people are confused between different medical tests, but ECG and echocardiogram are two of the most widely used cardiac diagnostic tools https://medjournalhealthcare.weebly.com/blog/why-i-stopped-recommending-traditional-heart-surgery-for-most-patients3321587