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[Electroimpedance Methods of Investigation of Cardiac Activity]
A I Malakhov1,2, A N Tikhomirov1,2, S I Shchukin1,2
1BMSTU, Moscow, Russia.
Kardiologiia
|March 15, 2017
Summary
Modern electroimpedance methods accurately assess cardiac activity dynamics, including ventricular movement and temporal phases. Patients with atrial fibrillation show prolonged atrial/ventricular activity and reduced ejection fraction.
Area of Science:
- Biomedical Engineering
- Cardiology
- Medical Diagnostics
Background:
- Electroimpedance methods historically lacked accuracy for cardiac parameter evaluation.
- Advancements in measurement technology now enable dynamic and accurate electroimpedance investigations of cardiac activity.
Purpose of the Study:
- To assess the feasibility of using modern electroimpedance techniques for studying heart activity.
- To present novel electroimpedance measurement methods developed at the Institute of Biomedical Equipment.
Main Methods:
- Development and application of advanced electroimpedance measurement techniques.
- Dynamic assessment of cardiac activity, including ventricular motion, volume parameters, and temporal phases.
- Clinical studies involving healthy volunteers and cardiology patients.
Main Results:
- The developed methods effectively assess the dynamics of heart chamber activity and volume parameters.
- Patients with atrial fibrillation exhibited significantly prolonged electrical and mechanical activity in atria and ventricles.
- A reduced ejection fraction was observed in patients with atrial fibrillation compared to other study participants.
Conclusions:
- Modern electroimpedance methods offer a viable and accurate approach for dynamic cardiac activity assessment.
- These techniques can differentiate cardiac functional parameters, particularly in conditions like atrial fibrillation.
- The study highlights the potential of electroimpedance for improved diagnosis and monitoring in cardiology.
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