Article

3D Heart: a new visual training method for electrocardiographic analysis.

ECG Tech Corporation, Huntington Station, NY, USA. <>
Journal of electrocardiology (Impact Factor: 1.36). 09/2007; 40(5):457.e1-7. DOI: 10.1016/j.jelectrocard.2007.04.001
Source: PubMed

ABSTRACT This new training method is based on developing a sound understanding of the sequence in which electrical excitation spreads through both the normal and the infarcted myocardium. The student is made aware of the cardiac electrical performance through a series of 3-dimensional pictures during the excitation process. The electrocardiogram 3D Heart 3-dimensional program contains a variety of different activation simulations. Currently, this program enables the user to view the activation simulation for all of the following pathology examples: normal activation; large, medium, and small anterior myocardial infarction (MI); large, medium, and small posterolateral MI; large, medium, and small inferior MI. Simulations relating to other cardiac abnormalities, such as bundle branch block and left ventricular hypertrophy fasicular block, are being developed as part of a National Institute of Health (NIH) Phase 1 Small Business Innovation Research (SBIR) program.

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    • "The case-independent methodology provides a means to extract the right features from the ECG while step-by-step dynamic process visualization provides insight to the electrophysiological correlates of the ECG. This is similar to recent training methods [13] [14] to develop understanding of the cardiac electrical performance through less sophisticated series of 2 or 3-dimensional pictures of both the normal and the pathological myocardium. Our students are in favour of the development of a tool using the 3D dynamic heart model already developed by IBC. "
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    ABSTRACT: The ECG remains a daily diagnostic tool for the detection of numerous cardiovascular diseases. Our goal was to use a computerized qualitative model (QM) of heart in order to build cases of simple arrhythmias dedicated to initial and more advanced medical teaching. The original QM is able to generate videograms of many cardiac disturbances. A Flash player is used to view ECG, synchronous Lewis diagram and chromatic 2D cardiac animation of a specific case. OAAT is a standardized 18 yes/no answers questionnaire which allows the learner to diagnose five main types of arrhythmias that can be compared with normal sinus rhythm (NSR) analysis. This new tool has been recently used by medical students during practical sessions. Based on medical reasoning learning on NSR video and upon trying to recognize an abnormal cardiac rhythm, all users can reach the 100% winning score since they can perform as many attempts as they like. We believe that unlimited case review with questionnaire answering, ECG and Lewis diagram replay and step-by-step visualization of the abnormal propagation of the cardiac impulse on the 2D heart videos are a highly efficient means to help students understand even complex arrhythmic mechanisms.
    Studies in health technology and informatics 02/2009; 150:931-5. DOI:10.3233/978-1-60750-044-5-931