ECG Neural Network Differentiation of Congenital LQTS

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Solution Overview

Problem

Existing methods struggle to accurately distinguish between congenital long QT syndrome (LQTS) and acquired QT prolongation, which is crucial for timely and appropriate medical management, as QT prolongation can be a symptom of various conditions, including drug-induced and reversible causes.

Innovation Solution

A neural network-based system using electrocardiogram (ECG) data is trained to differentiate between LQTS and acquired QT prolongation by employing a convolutional neural network with stacked blocks and a final output layer activated by an activation function, utilizing ECG data from a training dataset to generate a determination datum.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional ECG analysis methods are used to identify QT prolongation, then the detection process is simple and quick, but the ability to accurately distinguish between congenital LQTS and acquired QT prolongation is insufficient

Engineering Contradiction:
Improvediagnostic accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces traditional manual ECG analysis methods with an artificial intelligence-based automated analysis system. The AI model processes ECG signals to automatically distinguish between congenital LQTS and acquired QT prolongation, substituting the mechanical/manual analysis process with an intelligent system that achieves superior diagnostic accuracy while maintaining operational simplicity for clinicians.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an AI-based intermediary system that acts as a mediator between the raw ECG data and the final diagnostic conclusion. This intermediary layer processes the complex ECG signals and provides differentiated diagnostic insights, enabling accurate distinction between congenital and acquired causes without requiring clinicians to directly analyze complex signal patterns.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If AI-based differentiation is implemented to distinguish LQTS from acquired QT prolongation, then diagnostic accuracy is improved, but computational complexity and processing requirements increase

Engineering Contradiction:
Improvedifferentiation accuracyVSAvoidcomputational complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent segments the AI processing system into distinct functional components: ECG signal acquisition, preprocessing and feature extraction, AI-based differentiation analysis, and diagnostic output generation. This segmentation allows the computational complexity to be distributed and managed in modular stages, improving differentation accuracy while making the overall system more tractable and implementable.

Inventive Principle:
Principle #1Segmentation

3Measurement precision

If comprehensive ECG analysis is performed to identify subtle patterns of LQTS, then detection sensitivity is improved, but the time required for analysis increases

Engineering Contradiction:
Improvedetection sensitivityVSAvoidanalysis time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent implements preliminary action by having the AI system continuously monitor and pre-analyze ECG data in real-time or near-real-time. The system performs comprehensive pattern recognition and feature extraction proactively, so that when LQTS or differentiated QT prolongation is detected, the analysis is already complete or nearly complete, minimizing the additional time required for comprehensive evaluation while maintaining high detection sensitivity.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4614517A1System, method, and apparatus for identifying congenital long QT syndrome in a subject
Publication Date: 2025.09.10 MAYO FOUNDATION FOR MEDICAL EDUCATION & RESEARCH
  • EP4614517A1 patent drawingFigure 1
  • EP4614517A1 patent drawingFigure 2
  • EP4614517A1 patent drawingFigure 3

AI summary

Described herein are systems, methods, and apparatuses for identifying LQTS in a subject. A system may include an electrocardiogram (ECG) sensor configured to detect an ECG datum. A system may include a computing device configured to receive an electrocardiogram (ECG) datum; train an LQTS determination machine learning model on a training dataset including a plurality of example ECG data as inputs correlated to a plurality of example LQTS data as outputs; and generate an LQTS determination datum as a function of the ECG datum using the trained LQTS determination machine learning model. A system may include a display configured to display an LQTS determination datum.