Heart failure (HF) is a clinical syndrome with typical symptoms caused by structural and/or functional cardiac abnormalities. It has a prevalence of up to 1-2% in adults from developed countries with high mortality due to cardiovascular causes., Elevated morbidity and mortality can also be seen in developing countries such as Brazil. The main terminology used to classify HF is based on left ventricular ejection fraction (LVEF) values. In 2016, the European Society of Cardiology (ESC) Task Force for the Diagnosis […]