Fig. 1

Ultrasound images of IVC, femoral vein & LVOT-VTI

Image A -Ultrasound image of IVC using M mode. L1, L2, L3– 3 values of IVC diameters; d – depth at which IVC is measured

Image B - Femoral artery(left), Femoral vein(right) L1, L2, L3, L4 – Diameters of femoral vein on inspiration and expiration; d – depth at which femoral vein is measured

Image C - Ultrasound image of parasternal long axis view of LVOT; L – diameter of LVOT; d – depth at which LVOT is measured

Image D - Ultrasound image of LVOT with VTI measurement in apical 5 chamber view

VTI Velocity time integral of 24; HR – Heart rate of 68 bpm