[An algorithm for processing the data from the radionuclide angiography of the internal organs].

Area of Science:

• Medical Imaging
• Nuclear Medicine
• Physiology

Background:

• Assessing internal organ circulation is crucial for diagnosing various medical conditions.
• Indirect radionuclide angiography offers a non-invasive method for evaluating blood flow.
• Standardized methods for analyzing radionuclide angiography data are needed.

Purpose of the Study:

• To provide theoretical foundations for determining key internal organ circulation parameters.
• To develop and present formulas for calculating circulation mean time and blood flow rates.
• To enable computational analysis of radionuclide angiography data.

Main Methods:

• Theoretical substantiation of circulation parameter determination.
• Application of indirect radionuclide angiography.
• Development of algorithms for data processing.

Main Results:

• Formulas for calculating circulation mean time were derived.
• Methods for determining blood flow volumetric rate were established.
• Calculation of the fraction of cardiac output for organ blood flow was detailed.

Conclusions:

• The presented theoretical approaches and formulas allow for the determination of essential circulation parameters.
• Algorithms facilitate the development of computer programs for processing radionuclide angiography data.
• This work supports the quantitative analysis of internal organ circulation using nuclear medicine techniques.