Inconsistent Harmonic Peaks in Patients with Continuous Left Ventricular Assist Devices at Baseline

Introduction null Despite improvements in continuous left ventricular assist devices (LVADs), 8-11% of patients annually experience thrombosis. Quantitative acoustic analysis of LVADs has recently been investigated as a novel method of early thrombosis detection. Previous studies have shown the existence of peaks in sound amplitude at expected harmonics based on VAD speed, and changes in amplitude with thrombosis. However prior to utilizing this...