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Fig. 1 | BMC Anesthesiology

Fig. 1

From: The diagnostic accuracy of inferior vena cava respiratory variation in predicting volume responsiveness in patients under different breathing status following abdominal surgery

Fig. 1

A shows the 2D image of the inferior vena cava and panel below shows the diameter of the inferior vena cava varying with respiration in M-mode. B shows the apical 5-chamber view. The sampling point is placed in the left ventricular outflow tract. C and D show the changes of velocity–time integral (VTI) in the left ventricular outflow tract before and after volume expansion, respectively. IVCmax: maximum diameter of IVC; IVCmin: minimum diameter of IVC

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BMC Anesthesiology

ISSN: 1471-2253

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