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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 7 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 7

From: Diagnostic accuracy of internal jugular vein ultrasound in quantification of the central venous pressure for hemodialysis patients

Fig. 7

Ultrasound images for a 56 years old male patient (a) a longitudinal ultrasound image for the collapsing point of the IJV (vertical white arrow) (method 1) where the IJV was collapsed all through its neck course with the collapsing point was almost detected at the level of the sternoclavicular joint (b) transverse ultrasound image demonstrating the cross-sectional areas (marked as dotted yellow lines by manual tracers) of the IJV (= 0.12 cm2) and the CCA area (= 0.43 cm2) and the ratio (= 0.27) (method 2). The Invasive CVP measurement (by the catheter) was 2 cmH20

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