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مجلة جامعة لحج للعلوم التطبيقية والإنسانية
University of Lahej Journal of Applied Sciences and Humanities

Use of Issue Doppler Effect Technology in Clinical Applications for the Diagnosis of Ischemic Heart Disease

Nabil Nasser
University of Aden
Alaa Saleh
University of Aden
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Abstract

Tissue Doppler Echocardiography (TDI) is a recent advancement in medical ultrasound imaging, offering a non-invasive and precise method for assessing cardiac tissue velocities with high spatial and temporal resolution. In this study, a Mindray DC-60Exp diagnostic ultrasound system was employed to evaluate a 64-year-old male patient with ischemic heart disease using a tissue Doppler echocardiography protocol. The primary objective of the examination was to measure tissue velocities associated with both axial and lateral mitral annulus motion and to analyze differences between healthy and diseased tissue velocities. TDI operates on the principle of the Doppler effect, wherein cardiac tissue velocity is determined by analyzing frequency shifts in reflected ultrasound waves. These frequency changes are then used to calculate tissue velocity via the Doppler equation, enabling the identification of pathologically altered myocardial regions. Key parameters derived from this equation include the maximum systolic velocity , representing peak tissue motion during systole; the early diastolic velocity (e'), reflecting myocardial relaxation velocity during early diastole; and the late diastolic velocity (a'), corresponding to tissue relaxation during late diastole. The results demonstrated a significant reduction in (S') and (e') values in ischemic regions compared to healthy myocardial tissue, indicating impaired cardiac tissue motion secondary to ischemia. These findings underscore the efficacy of TDI in detecting early functional myocardial changes, thereby enhancing diagnostic accuracy and guiding therapeutic strategies for ischemic heart disease. Furthermore, this application highlights the critical role of physics-based innovations in medical imaging, which improve the quality of diagnostic data and facilitate timely clinical decision-making. 

Details

مجلات جامعة لحج للعلوم التطبيقية والإنسانية
Section Applied Sciences
Published 21-12-2025
Pages 295-301
Keywords
Ultrasound (US), Echocardiography (ECG), Doppler effect (DE), ischemic heart disease (IHD).
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

How to Cite

Nabil Saleh Abdullah Nasser, & Alaa Khaled Ahmed Saleh. (2025). Use of Issue Doppler Effect Technology in Clinical Applications for the Diagnosis of Ischemic Heart Disease. University of Lahej Journal of Applied Sciences and Humanities, 1(2), 295–301. Retrieved from https://ojs.malozaibi.com/uljash/article/view/59

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