Nanowear Heart Failure Management Multi-sensor Algorithm

Inclusion Criteria: * Subject has provided informed consent * Male or female over the age of 18 years * The patient is either hospitalized with a primary diagnosis of acute or was discharged with a primary diagnosis of acute heart failure within 2 weeks prior to enrollment * NYHA functional class II-IV at time of enrollment Exclusion Criteria: * Subject unwilling or unable to comply with wearing the Nanowear Congestive Heart Failure Management System 12 hours daily for up to 90 days. * Subjects who are limited by angina. * Severe aortic stenosis. * Subjects who are hemodynamically unstable requiring support with intravenous vasoactive medications or mechanical circulatory support * Symptomatic ventricular arrhythmias within the past 6 months. * Subjects who are pregnant will be excluded from this study.