New acoustic window for assessing the inferior vena cava collapsibility in humans in the prone position

Objective: Ultrasound assessment of inferior vena cava (IVC) collapsibility is performed to determine the volume status critically ill patients. We propose a new acoustic window for visualizing vein in prone patient. Case Presentation: A healthy volunteer took part study. The study protocol includes two stages: 1) performing magnetic resonance imaging (MRI) examination projection certain IVC area on posterior chest surface (holotopy), 2) an ultrasound scanning order identify it and its dimensions. Conclusion: 11th intercostal space parallel paraspinal line allows visualize position. This gives potential opportunity use assess collapsibility. Its advantage ability compressibility antero-posterior direction.