Venous excess ultrasound (VExUS) score and
 internal jugular vein Doppler

The venous excess ultrasound (VExUS) score is a multi-organ Doppler approach to assess venous congestion. In this pilot, observational study, we used a wearable Doppler ultrasound to assess the relationship between jugular venous Doppler and the VExUS score under different preload conditions.

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FloPatch used to evaluate 11 formulae for corrected flow time

Researchers found that most of the equations used to calculate corrected flow time (FTc) accurately detected stroke volume change. A large sample of beats is required to measure a clinically significant change in FTc.

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