Introduction Acute heart failure (AHF), which is the syndrome where there is a rapid or gradual worsening of chronic or new heart failure (HF), is one of the main causes of emergency department visits, and it is the leading cause responsible for non-elective hospitalizations in patients over 65 years of age, with an elevated readmission rate at 1 year. In-hospital mortality due to AHF is 3% to 4% in international registries, reaching 12.6% in the Brazilian BREATHE registry. When we […]