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Fig. 1 | Cardiovascular Ultrasound

Fig. 1

From: Geographical predisposition influences on the distribution and tissue characterisation of eccentric coronary plaques in non-branching coronary arteries: cross-sectional study of coronary plaques analysed by intravascular ultrasound

Fig. 1

Intravascular ultrasound (IVUS) images of plaque. a Landmarks for IVUS orientation. The pericardium appears as a bright and relatively thick structure with varying degrees of spokelike reverberations created by the interwoven fibrous strands. The cardiac vein was observed on the left side of left anterior descending artery. b Orientation of plaque distribution was determined by IVUS landmarks. The eccentricity index of the plaque was 3, and it was classified as myocardial plaque. c The virtual histology (VH) analysis of plaque composition was divided into four elements (fibrous area, fibro-fatty area, necrotic core, and calcified area). d This cross-section was excluded from analysis because of diagonal branching

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