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Figure 3 | Cardiovascular Ultrasound

Figure 3

From: Ultrasound settings significantly alter arterial lumen and wall thickness measurements

Figure 3

B-mode ultrasound images of phantom arteries. A. Phantom A with a wall thickness of approximately 0.54 ± 0.01 mm and lumen diameter of approximately 4.98 ± 0.01 mm. B. Phantom B with wall thickness of approximately 1.06 ± 0.01 mm and lumen diameter of approximately 5.98 ± 0.01 mm. C. Phantom C with wall thickness of approximately 1.56 ± 0.01 mm and lumen diameter of approximately 4.98 ± 0.01 mm mm. D. Human carotid artery with CIMT of 0.619 ± 0.051 mm and lumen diameter of 5.158 ± 0.034 mm. E. Human carotid artery with CIMT of 0.822 ± 0.132 mm and lumen diameter of 6.423 ± 0.072 mm. F. Human carotid artery with CIMT of 1.490 ± 0.196 mm and lumen diameter of 5.425 ± 0.090 mm. All three phantom images were recorded in water at a temperature of 38 ± 1°C with the ultrasound probe 20 mm from the leading edge of the far wall of the phantom, a DR of 55 dB and gain of 0 dB. All human images were recorded in vivo.

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