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Chapter-052 Strain and Strain Rate Imaging: Clinical Implications 2014

BOOK TITLE: CSI: Cardiology Update 2014

Author
1. Garg Naveen
2. Kapur KK
ISBN
9789351526186
DOI
10.5005/jp/books/12415_53
Edition
1/e
Publishing Year
2015
Pages
12
Author Affiliations
1. Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, U.P., India, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India, Noninvasive Cardiac Lab, Indraprastha Apollo Hospitals, New Delhi, India, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India, BK Hospital Faridabad, Haryana, India, Badshah Khan Government Hospital Faridabad, Haryana, India, Noninvasive Cardiac Lab Indraprastha Apollo Hospitals, New Delhi, India, Indraprastha Apollo Hospital, New Delhi, India, BK Hospital, Faridabad, Haryana, India, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raibareli Road, Lucknow, UP, S.G.P.G.I.M.S., Raebareli Road, Lucknow, Uttar Pradesh, India, Sanjay Gandhi Postgraduate Institute of Medical Science, Lucknow
2. Indraprastha Apollo Hospitals, New Delhi, India, Indraprastha Apollo Hospital, New Delhi, India, Indraprastha Apollo Hospitals, New Delhi, India, Apollo Hospital, New Delhi, India, Non-Invasive Cardiac Lab, Indraprastha Apollo Hospital, New Delhi, India, Chief, Department of Noninvasive Cardiac Lab
Chapter keywords
Strain rate, strain imaging, ventricle, left atrium, echocardiography, cardiac MRI, multislice computed tomography, longitudinal strain, circumferential strain, radial strain, coronary artery disease, myocardial diseases

Abstract

Noninvasive and reproducible quantification of myocardial function is essential for the evaluation of various cardiac chambers especially the left ventricle (LV), the right ventricle (RV) and the left atrium (LA). Various modalities are used for strain and strain rate imaging such as 2-dimensional and 3-dimensional echocardiography (2D/3D echo), cardiac MRI and multislice computed tomography (CT). The three types of strains are longitudinal strain (LS), circumferential strain (CS), and radial strain (RS). In this chapter various strain imaging are discussed along with myocardial architecture, rotational mechanics, procedure and technique. The clinical applications of strain imaging are myocardial diseases, diabetes, coronary artery disease, heart failure (HF) syndromes, etc. The limitations of strain imaging include image quality, heart rates, reproducibility and vendor variability.

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