Peer-Reviewed Publication
JACC Adv2026;5(7):102878.July 1, 2026Journal Article

AI-ECG for Detecting Left Ventricular Systolic Dysfunction in Chagas Disease: Diagnostic and Prognostic Value.

Clareci Silva Cardoso1, Kathryn Mangold2, José Luiz Padilha da Silva3, Cláudia Di Lorenzo Oliveira4, Ariela Mota Ferreira5, Lea Campos Oliveira da Silva6, Maria do Carmo P Nunes7, Wanessa Campos Vinhal1, Ana Carolina de Oliveira Gonçalves1, Paulo Rodrigues Gomes8, Pablo Perel9, Itzhak Zachi Attia2, Ester Cerdeira Sabino10, Francisco Lopez-Jimenez11, Antonio Luiz Pinho Ribeiro12
1Telehealth Center and Research Group in Epidemiology and Evaluation of New Technologies in Health, Federal University of São João del-Rei, Divinópolis, Brazil.
2Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA.
3Universidade Federal do Paraná, Brazil.
4Federal University of São João del-Rei, Divinópolis, Curitiba, Paraná, Brazil.
5State University of Montes Claros, Montes Claros, Brazil.
6Hospital das Clínicas de São Paulo FMUSP, São Paulo, Brazil.
7Department of Internal Medicine, Faculdade de Medicina, and Telehealth Center and Cardiology Service, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
8Telehealth Center, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
9London School of Hygiene & Tropical Medicine, London, England.
10University of São Paulo, São Paulo, Brazil.
11Cardiovascular Medicine, Mayo Clinic, Rochester, Minessota, USA.
12Department of Internal Medicine, Faculdade de Medicina, and Telehealth Center and Cardiology Service, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil. Electronic address: alpr1963br@gmail.br.

Abstract

BACKGROUND: Left ventricular systolic dysfunction (LVSD) is the main predictor of mortality in Chagas disease (ChD). Although LVSD can be treated with affordable medications, its diagnosis relies on cardiac imaging, which is often unavailable in resource-limited settings. OBJECTIVES: The objective of the study was to evaluate an artificial intelligence-enabled electrocardiogram (AI-ECG) for detec…

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