Inclusion Criteria: - Hospitalized with primary or secondary diagnosis of Acute Decompensated Heart Failure (one or more of these symptoms: shortness of breath, orthopnea or edema AND one or more of these signs: rales, peripheral edema, ascites, or pulmonary vascular congestion on chest radiography) - Adult patients >18 years old Exclusion Criteria: - Overall life expectancy < 1 year - Known skin allergy to adhesives (hydrocolloid, silicone, acrylic) - Active systemic infection - Pregnant or lactating - End stage renal disease on dialysis - Subject or caregiver is not visually and tactile capable of smartphone and home device usage - Inadequate cell phone coverage (including international patients or international travel during study period) - Subject or legal guardian is not willing and able to provide appropriate informed consent