Assessing Blood Loss (IMAGE) Georgia Institute of Technology Caption Researchers have shown that they can accurately assess blood loss by measuring seismic vibrations in the chest cavity and by detecting changes in the timing of heartbeats. That could lead to development of a smart wearable device that could be carried by ambulance crews and medics and made available in emergency rooms and surgical facilities. Credit Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.