The aim of this study is to evaluate correlation between the collapsibility indices of the FV or IJV to IVC-CI among polytrauma patients presenting to the ED by sonographic evaluation before and after resuscitation.
Adult patients aged ≥ 18years. ( Patients presented by hypovolemic shock
Patient refusal Body Mass Index > 40 kg/m2. Cardiac patients or cardiac tamponade Aortic injury or for cardio-thoracic emergent operation Patients with abdominal mass or other pathology as abdominal collection. Any patient needs emergent surgical intervention History of pulmonary artery hypertension. Femoral vein occlusion. Pregnancy. Pulmonary oedema. Patients will need mechanical ventilation.