Performance of Phonoelectrocardiographic Left Ventricular Systolic Time Intervals and B‐Type Natriuretic Peptide Levels in the Diagnosis of Left Ventricular Dysfunction

Abstract

Phonoelectrocardiographic measures of systolic time intervals are insensitive but highly specific tests for detecting abnormalities in objective markers of left ventricular function. EMAT and EMAT/LVST provide diagnostic information independent of BNP for detecting patients with left ventricular dysfunction.