Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Tissue Doppler Imaging: An Overview

Version 1 : Received: 26 June 2021 / Approved: 28 June 2021 / Online: 28 June 2021 (13:45:35 CEST)

How to cite: Nashnoush, M.; Chopra, C.; Sheikh, M. Tissue Doppler Imaging: An Overview. Preprints 2021, 2021060652 (doi: 10.20944/preprints202106.0652.v1). Nashnoush, M.; Chopra, C.; Sheikh, M. Tissue Doppler Imaging: An Overview. Preprints 2021, 2021060652 (doi: 10.20944/preprints202106.0652.v1).

Abstract

Tissue Doppler Imaging (TDI) is a non-invasive, echocardiographic imaging technique that measures myocardial motion velocity throughout the cardiac cycle using Doppler principles. While conventional Doppler techniques assess blood flow velocity by sensing high-frequency, low amplitude signals from small, fast-moving blood cells, TDI uses the same Doppler principles to instead measure high-amplitude, lower-velocity signals of myocardial tissue. Methods A literature review was conducted to survey and review studies investigating the limitations, strengths, physical principles, novel methods, applications in diseased states, and prognostic capabilities of TDI. These articles were further screened for inclusion, and those deemed ineligible or irrelevant to the scope of the review were discarded. In total, 19 studies were included in the qualitative synthesis. Results TDI is shown to be an effective method for detailed quantification of cardiac function. It provides an early means of diagnosing cardiac dysfunction and is a valid prognostic indicator for various forms of heart disease. TDI's versatility and precision allows clinicians to predict the clinical course of disease, leading to early intervention and the selection of targeted care management plans for many cardiac pathologies. Despite imaging limitations like angle dependence and incapacity for passive and active motion differentiation, further investigation continues to reveal novel TDI methodologies that advance the scope of this imaging technique.

Keywords

TDI; Ultrasound; Echocardiography

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