Inclusion Criteria:  • Patients over 18 scheduled for a standard echocardiogram  Exclusion Criteria:  Patients with heart transplant history Patients with a Implanted Left Ventricular Assist Device (LVAD) Patients who have surgical scars, wounds, or bandages at the site of sensor placement Inadequate TTE imaging windows in left lateral position Otherwise deemed by the investigator as medically unfit to participate Chest deformities including, for example, pectus excavatum