Simulation of the cardiovascular system using equivalent electronic system.

Area of Science:

• Biomedical Engineering
• Computational Physiology
• Electrical Engineering

Background:

• Existing electrical models of the cardiovascular system often lack detailed segmentation.
• Accurate cardiovascular system simulation requires comprehensive modeling of arterial networks and cardiac components.

Purpose of the Study:

• To develop an advanced electrical circuit model of the cardiovascular system.
• To enhance existing models by incorporating more segments and parameters for greater accuracy.
• To simulate and analyze cardiovascular system dynamics under normal operating conditions.

Main Methods:

• A complex electronic circuit model was developed, comprising 42 segments for the arterial system.
• Each artery segment was modeled using passive electrical components: capacitor, resistor, and inductor.
• The left and right ventricles were simulated using AC power supplies and diodes; data sourced from medical literature.

Main Results:

• The simulation successfully generated pressure and volume graphs representative of cardiovascular system function.
• The model operated at a heart frequency of 1 Hz under steady-state conditions.
• Simulation outcomes demonstrated good agreement with relevant experimental observations.

Conclusions:

• The advanced 42-segment electrical circuit model provides a robust simulation of the cardiovascular system.
• This approach effectively replicates normal physiological pressure and volume dynamics.
• The validated model serves as a valuable tool for studying cardiovascular system behavior.