Featured Research

Development of a Multi-Agent System for Cardiovascular AI

Revolutionary AI architecture for comprehensive cardiac risk assessment and clinical decision support

🏆 Presented at AHA Scientific Sessions 2025

Research Abstract

📅 November 2025
📍 New Orleans, LA
🏛️ American Heart Association Scientific Sessions

Background: Traditional cardiovascular risk assessment relies on single-model approaches and conventional risk calculators that often fail to capture the complex, multi-dimensional nature of cardiac disease. We developed a novel multi-agent artificial intelligence system that orchestrates specialized AI agents, including an advanced AI-powered risk calculator, to provide comprehensive cardiovascular risk evaluation and clinical decision support.

Methods: Our multi-agent system integrates four specialized AI agents: (1) AI-Powered Risk Calculator Agent for advanced machine learning-based cardiovascular risk assessment, (2) External Validation Agent for model performance assessment across diverse populations, (3) IoMT Clinical Validation Agent for real-time wearable device data integration, and (4) PACS Validation Agent for automated cardiac imaging analysis. Each agent operates independently while collaborating through a central orchestration layer to provide unified clinical recommendations.

Results: Validation is currently in progress across 15 healthcare systems with preliminary data from 50,000+ patient encounters. Early findings demonstrate promising performance improvements compared to traditional single-model approaches, with initial results showing enhanced cardiovascular event prediction accuracy (preliminary AUC 0.92 vs 0.75 for traditional models, p<0.001), reduced false positive alerts, and high concordance with expert cardiologist assessments. The system is successfully integrating data from 12 different imaging modalities and 8 wearable device platforms. Final validation results are expected in Q2 2026.

Conclusions: This multi-agent AI architecture, featuring an advanced AI-powered risk calculator, represents a paradigm shift in cardiovascular risk assessment. Preliminary results demonstrate the potential for more accurate, comprehensive, and personalized cardiac care. Ongoing validation across multiple healthcare systems will provide comprehensive evidence of clinical utility. The modular design allows for continuous improvement and adaptation to emerging clinical evidence and technologies. Final validation results are anticipated in Q2 2026.

Early Validation Results

23%

Preliminary Improvement

Early data showing enhanced cardiovascular event prediction accuracy compared to traditional single-model approaches (preliminary AUC 0.92 vs 0.75)

31%

Reduced False Alerts

Initial findings showing significant reduction in false positive clinical alerts through multi-agent consensus validation (validation ongoing)

89%

Expert Concordance

Preliminary data showing high agreement with expert cardiologist assessments across diverse clinical scenarios (ongoing validation)

Multi-Agent AI Framework

🧮

AI-Powered Risk Calculator Agent

Advanced AI-driven risk computation and stratification

External Validation Agent

Model performance across diverse populations

IoMT Clinical Validation

Real-time wearable device data integration

🖼️

PACS Validation Agent

Automated cardiac imaging analysis

Intelligent Orchestration

Our multi-agent system employs a sophisticated orchestration layer that coordinates specialized AI agents, each optimized for specific aspects of cardiovascular assessment. This architecture enables comprehensive analysis while maintaining computational efficiency and clinical interpretability.

Modular Design: Each agent operates independently, allowing for continuous improvement and easy integration of new capabilities
Consensus Validation: Multi-agent agreement mechanisms reduce false positives and increase clinical confidence
Real-Time Integration: Seamless incorporation of data from multiple sources including EHR, imaging systems, and wearable devices
Explainable AI: Each agent provides transparent reasoning, enabling clinicians to understand and trust AI recommendations

Comprehensive Validation in Progress

Each component of our multi-agent system is undergoing rigorous validation across diverse patient populations and clinical settings. Explore our interactive validation platforms to see real-time progress and preliminary results.

🧮

AI-Powered Risk Calculator Validation

Ongoing validation of AI-powered cardiovascular risk assessment models using deep learning and machine learning algorithms, compared against traditional calculators (Framingham, ASCVD, SCORE2) across diverse populations. Preliminary results show promising performance improvements.

15
Risk Models
50K+
Patients
Explore Validation Platform

External Validation Studies

Ongoing multi-site validation framework assessing AI model performance across geographic regions, healthcare systems, and patient demographics to ensure generalizability. Early data collection underway across 15 healthcare systems.

15
Health Systems
8
Countries
View Validation Results

IoMT Clinical Validation

Ongoing real-world validation of Internet of Medical Things devices for continuous cardiac monitoring, arrhythmia detection, and early warning systems integrated with our AI platform. Data collection from 8 wearable device platforms in progress.

8
Device Platforms
2.5M
Data Points
Access Demo Platform
🖼️

PACS Imaging Validation

Ongoing validation of AI algorithms for automated cardiac imaging analysis across multiple modalities including echocardiography, CT, MRI, and angiography from PACS systems. Currently processing over 100,000 imaging studies for comprehensive validation.

12
Imaging Modalities
100K+
Studies
Explore PACS Platform

Ongoing Clinical Validation

Our multi-agent system is currently undergoing comprehensive validation across healthcare systems worldwide. Early results show promising improvements in patient outcomes and clinical decision-making efficiency.

50K+
Patients in Validation
15
Healthcare Systems
92%
Preliminary Accuracy
Q2 2026
Expected Completion

Principal Investigators

👨‍⚕️

Sampson Kontomah

Principal Investigator

👨‍💻

Harshal Chalke

Chief AI Officer

👨‍⚕️

Dr. Maulik Purohit

Clinical Validation Lead

👩‍⚕️

Dr. Tamanna Nahar

Imaging Analysis Lead

👩‍🔬

Laura Fritsche

Digital Trials Lead

Conference Presentations

📄

Development of a Multi-Agent System for Cardiovascular Diagnostic

Abstract ePoster American Heart Association Scientific Sessions 2025
👥 Presenters: Dr. Tamanna Nahar (Co-Founder & Chief Medical Adviser) and Sampson Kontomah (Founder & CEO)
📅 Date: November 8, 2025 | 10:30 AM - 11:30 AM
📍 Location: New Orleans, LA - Basic Science Zone
🏛️ Conference: AHA Scientific Sessions 2025
View Full Presentation Details

Collaborate with Our Research Team

Interested in implementing our multi-agent system or collaborating on future research? Join us in advancing cardiovascular AI innovation.