ABSTRACT Background: The diagnosis of coronary artery disease is challenging because of the considerable variability in its clinical presentation. It also requires a cautious decision between invasive or conservative stratification. We aimed to evaluate the adequacy of coronary angiography indication in patients from the Unified Health System (SUS, in the Portuguese acronym) based on the guidelines for stable coronary disease. Methods: Consecutive patients who underwent coronary angiography between March 2014 and November 2015 were evaluated. Clinical presentation and functional tests […]