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The Ultrasound Journal
Fig. 1 | Critical Ultrasound Journal

Fig. 1

From: Inferior vena cava diameters and collapsibility index reveal early volume depletion in a blood donor model

Fig. 1

Mid-hepatic long axis (a), mid-hepatic short axis (b) and renal short axis (c) windows with M mode line for inferior vena cava (IVC) measurements a IVC diameter was calculated searching the best perpendicular approach, moving in a region (dotted box) below the hepatic vein (HV). RA right atrium. b IVC cross-sectional diameters which included the visualization of the ligamentum venosum and/or left portal branches as references points. Ao abdominal aorta. c IVC cross-sectional diameter at the left renal vein inlet

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