Cardiac stroke volume variability measured non-invasively by three methods for detection of central hypovolemia in healthy humans

ConclusionCardiac stroke volume estimated by ultrasound Doppler and by arterial blood pressure curve showed parallel variations beat-to-beat during simulated hemorrhage, whereas impedance cardiography did not appear to track beat-to-beat changes in cardiac stroke volume. The variability in cardiac stroke volume was decreased during mild and moderate hypovolemia and could be used for early detection of hypovolemia.
Source: European Journal of Applied Physiology - Category: Physiology Source Type: research