Is your heart functioning properly? There is a test which can measure this, which is often recommended by medical professionals. Ejection fraction (EF) is a measurement, expressed as a percentage, of ...

Heart failure is a heterogeneous syndrome. Approximately 30–50% of patients with heart failure have normal or near normal left ventricle function. Several epidemiological studies confirm that the ...

Heart failure with preserved ejection fraction, also referred to as diastolic heart failure, causes almost one-half of the 5 million cases of heart failure in the United States. It is more common ...