Abstract Background: Early detection of heart failure makes it possible to intervene in risk factors, and treatment is capable of modifying the natural history of the disease. For diagnostic confirmation, natriuretic peptide (NP) testing or transthoracic echocardiography can be performed; the former is preferable when considering cost and accessibility. Although this test was incorporated into the Brazilian Unified Health System (SUS) in 2018, requests for this test were registered in only 4.63% of municipalities in the SUS Outpatient Information System […]