Twitter (X) as a Communication and Education Tool for Brazilian Cardiologists: Profile, Influence and Challenges

Background: Twitter (recently renamed to X) is a popular social media that can be used for health communication. There are few studies analyzing the profile of Brazilian cardiologists active on the platform. Objectives: To identify the profile of Brazilian cardiologists on Twitter (X), their online influence and reach, as well as their bios’ description. Methods: A total of 1,083 accounts of Brazilian cardiologists were created between 2006 and 2021. Data were collected using the FollowerWonk tool and analyzed using the IRAMUTEQ software. Results: Most profiles were of men (76.5%) and 0.8% was institutional profiles. Most profiles had less than 100 followers (71%) and low social authority (81.8%). The 20 most influential profiles were mostly of men (80%) and highly concentrated in the southeast of Brazil (68%). Conclusions: Brazilian cardiologists prefer a personal and direct communication in social medias, rather than an institutional representation. There is a gender disparity among Brazilian cardiologists on Twitter (X), with a predominance of men. The most influential profiles were of men, and mostly located in the southeastern Brazil.