CORRELATION OF CENTRAL VENOUS PRESSURE (CVP) AND INFERIOR VEINA CAVA (IVC MAX), INFERIOR VEINA CAVA INDEX (CAVA INDEX), INFERIOR VENA CAVA / AORTA DIAMETER (IVC / AO) IN SHOCK PATIENTS Aim of study is to identify the correlation of CVP and IVC diameter, IVC index, IVC / AO in shock patients.