Inferior Vena Cava Diameter is an Early Marker of Central Hypovolemia during Simulated Blood Loss.

Blair D JohnsonZachary J SchladerMichael W SchaakeMoragn C O'LearyDavid HostlerHoward LinErika St JamesPenelope C LemaAaron BolaBrian M Clemency

Published in: Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors (2020)

These data demonstrate that IVC diameter decreases prior to changes in traditional vital signs during simulated blood loss. Further study is needed to determine the view and diameter threshold that most accurate for identifying hemorrhage requiring emergent intervention.

Keyphrases

inferior vena cava
optic nerve
pulmonary embolism
vena cava
randomized controlled trial
electronic health record
high resolution
big data
machine learning