ABSTRACT
Echocardiography in acute heart failure Heart failure (HF) occurs when an abnormality of cardiac structure or function leads to inability of the heart to deliver oxygen at a rate commensurate with the requirements of the metabolizing tissues.1 Approximately 1-2% of the adult population in developed countries has HF, with the prevalence rising to ≥10% among persons 70 years of age or older.2
