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33rd International Congress on Electrocardiology

International Society of Electrocardiology

The technology of ECG mapping by bipolar leads in the diagnostic of acute myocardial infarction

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33rd International Congress on Electrocardiology. Cologne, 28.06.-01.07.2006. Düsseldorf, Köln: German Medical Science; 2007. Doc06ice068

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Published: February 8, 2007

© 2007 Sreafinovich.
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Background: Wide spreading of ECG, its simplicity in using, the possibility of carrying-out in all conditions, the absence of any harm for the patient, the speed in receiving of results and the low price determine studies of unknown sides and possibilities of this method. The aim of this study is to present the method ECG mapping by bipolar leads elaborating by us (A.c. 17 66366, A61B5/04).

Materials and methods: Patients with proved clinically, biochemically, by ECG (n = 143) and pathomorphologically (n = 8) myocardial infarction (MI) in various heart regions and types and 36 healthy persons in control group were included in the study. In patients the 12-lead ECG and ECG mapping by 60 unipolar Wilson leads and 15 bipolar leads have been made and compared at admission, at 2nd, 3rd, 6th, 12th and 20th days from the onset. The technology of ECG mapping: The technical idea: The active (hypothetic) electrode placed close to posterior or inferior wall of left ventricular (LV). It allows to record proper local potentials. The system’s essence: 15 bipolar leads in 5 planes. Safety for patient: Exclusion any physical tension in acute period. ECG record. The red and yellow electrodes must be placed under acromion at right and at left. The green electrode in turn must be placed in posterior, media, anterior and mediaclavicularis lines in both sides of chest. It forms 5 planes. In each the ECG must be made in three modificated leads II, III and aVF.

Results: It was obtained that the ECG mapping by 15 bipolar leads equally and exactly reflects the condition of interior and posterior walls of LV, and is more informative than 12-lead ECG and ECG mapping by unipolar Wilson leads.

Conclusion: The way and technical elaboration of placing the active electrode close to studied myocardium regions allow using this technology for diagnostic and size estimation of MI in posterior and interior wall or in other scientific and practical purpose.