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Chapter-045 Stress Echocardiography and Coronary Artery Disease

BOOK TITLE: CSI: Cardiology Update 2014

Author
1. Burkule Nitin J
ISBN
9789351526186
DOI
10.5005/jp/books/12415_46
Edition
1/e
Publishing Year
2015
Pages
8
Author Affiliations
1. Indian Academy of Echocardiography, Jupiter Hospital, Thane, Maharashtra, India, Jupiter Hospital, Mumbai, Maharashtra, India
Chapter keywords
Coronary artery disease, stress echocardiography, left ventricular strain pattern, angiographic borderline disease, stenotic epicardial coronary vessels, positron emission tomography, stress MRI, tissue Doppler

Abstract

The stress echo is performed to detect the conditions like false positive stress tests, left bundle branch block, Wolff-Parkinson-White, left ventricular strain pattern, angiographic borderline disease and so on. When stenotic epicardial coronary vessels have nearly exhausted, then the ischemia at this stage is detected by nuclear, gadolinium MRI, positron emission tomography (PET) and myocardial contrast perfusion scans. When more prolonged ischemia leads to segmental diastolic dysfunction, then this stage of ischemia is detected by visual assessment of wall motion, segmental systolic thickening on stress echo and stress MRI or can be quantified by tissue Doppler or 2D strain imaging. In this chapter various stressors used in stress echo (exercise, pharmacological stressor), interpretation of stressor echo, use of contrast, use of tissue Doppler, strain and 3D and myocardial viability by stress echo are all discussed in detail.

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