IVC Measures Do Not Correlate with Carotid Corrected 
Flow Time Change

Exploring the relationship between inspiratory collapse of the inferior vena cava, a non-invasive surrogate for right atrial pressure, and augmentation of stroke volume in response to a preload challenge.

Read more

A Novel Spectral Index for Tracking Preload Change

Exploring the ratio of internal jugular-to-carotid artery Doppler power (V/APOWER) as a surrogate for the ratio of the vascular areas of these two vessels.

Read more