Heart failure & cardiomyopathiesDiagnostic or prognostic study

Artificial Intelligence Electrocardiogram and Left Ventricular Systolic Dysfunction in Kenya

JAMA CardiolPublished

  • Diagnostic accuracy study
  • cross-sectional
  • 8 outpatient facilities
  • 3 prespecified risk strata

Enrollment June–December 2024; echocardiography within 7 days of ECG

Authors' conclusion

In this study, the AI-ECG algorithm demonstrated the potential clinical utility for screening of LVSD risk with high sensitivity and negative predictive value and may be particularly scalable in a resource-limited setting.

Study context

Population
Adults ≥18 years seeking routine care at outpatient facilities in Kenya
Participants
1,444 adults
Comparison
Artificial intelligence electrocardiogram (AI-ECG) vs echocardiography for left ventricular systolic dysfunction (LVSD)
Outcome
Diagnostic performance (sensitivity, specificity, PPV, NPV) of AI-ECG for LVSD (LVEF <40%) confirmed on echocardiography

Performance

As reported in the abstract

LVSD (LVEF <40%)
Test or modelSensitivitySpecificityPPVNPVAUC
AI-ECG95.6% (95% CI, 91.8-97.7)79.4% (95% CI, 77.0-81.5)43.2% (95% CI, 38.7-47.9)99.1% (95% CI, 98.3-99.5)0.96 (95% CI, 0.95-0.97)
LVSD identified
204 (14.1%)

Further findings

AUC across CV risk strata

Performance consistent across CV risk strata (AUC)
0.96-0.98

Original publication

Artificial Intelligence Electrocardiogram and Left Ventricular Systolic Dysfunction in Kenya. JAMA Cardiol. Published 1 June 2026. doi:10.1001/jamacardio.2026.0908

Summarised from the published abstract; every number is checked against it