Study for the Evaluation of a Non-invasive Hemodynamic Measurement in Heart Failure Patients

Inclusion Criteria: * Arm circumference of 23 cm to 55 cm * Subject admitted to the hospital with acute exacerbation of heart failure, with either reduced or preserved ejection fraction * Subject is at risk for readmission (NYHA Functional Classification 2-3) * Subject is able to understand the risks and potential benefits of participating in the study and is willing to provide written, informed consent * ezCVP indicator is high (CVPNI is over 9 mmHg) at admission * Subject is willing and able to comply with protocol procedures * Subject tested negative for COVID test after admission to the hospital Exclusion Criteria: * Finger and upper arm anatomical anomaly or disease that may interfere with attaching a pulse oximeter sensor and/or blood pressure cuff * Pregnant (self-reported) * Upper extremity DVT (currently being treated) * Severe skin disease involving the upper arm(s) * Study investigator may exclude patients based on clinical judgement