Percent agreement of vital signs monitoring between the experimental sensor and standard of care monitoring

Inclusion Criteria

1. Patient's aged 18-65
2. Patient's scheduled to undergo a Trans-thoracic Echocardiogram (TTE) in an outpatient cardiology clinic or admitted to the Cardiac Care Unit with a swan ganz catheter in place for continuous invasive hemodynamic monitoring

Exclusion Criteria

1. Patient's with fragile skin or skin conditions that would prevent them from having a sensor placed
2. Patients undergoing exercise or drug induced cardiac stress test
3. Patients with a visible wound at site of sensor placement 3.4. Patients with structural or functional limitations to peripheral blood flow (known upper extremity peripheral arterial disease, use of vasopressors etc.).

Cardiology patients