Abstract Background: Diastolic dysfunction (DD) is highly prevalent and is associated with significant morbidity and mortality. More recent guidelines have introduced the classification of Indeterminate Diastolic Function or Indeterminate Diastolic Dysfunction (IDF or IDD). Nevertheless, both diagnoses are still poorly understood in clinical practice, with variable prevalence. Objectives: Assess the understanding of IDF and IDD among non-echocardiographer cardiologists in Brazil. Methods: A nationwide online survey was conducted among non-echocardiography readers cardiologists via mobile messaging platforms. A brief and anonymous questionnaire […]