What Is a Color Doppler and Why Your Heart Health Depends on It? Most heart-related problems progress without obvious symptoms, which is why early detection plays a critical role. One of the most reliable and widely used diagnostic technologies for heart evaluation is the Color Doppler test. In this guide, https://www.diigo.com/item/note/b2knr/60rq?k=42cd66a889d4575e02daec6efba54553