Association between B-lines on Lung Ultrasound, Invasive Hemodynamics and Prognosis in Acute Heart Failure Patients.

A clear pivot point was associated with increased B-lines count in PCWP at 19 and 25 mmHg for preserved and reduced EF, respectively. Moreover, the increased B-line count above the defined cutoff used to quantify residual congestion was associated with significantly worse outcomes.