Doppler interpretation

Venous doppler sampled near to RV → indicates interaction btwn VR & RV function
Venous doppler sampled distant to RV → indicates interaction of venous pressure & peripheral venous limits of compliance

resistive indices affected by systemic factors more than local factors

References

Interpretation of Peripheral Arterial and Venous Doppler Waveforms A Consensus Statement From the Society for Vascular Medicine and Society for Vascular Ultrasound

Spectral Doppler waveform of the hepatic veins everything you need to know

H&R 2023 Haycock: Solid organ doppler in shock