The Role of MRI in the Evaluation of Mitral Regurgitation
A central component of the current American College of Cardiology (ACC) and American Heart Association (AHA) guidelines for the management of mitral regurgitation (MR) is the importance of accurately diagnosing severe MR.1 The current guidelines rely primarily on echocardiography to discern severe from non-severe MR. However, studies have questioned the accuracy of echocardiography for differentiating severe from non-severe MR, showing high interobserver and intraobserver variability....