Clinical Research Directory

Inclusion Criteria: 1. Able to provide written informed consent or have a LDR to provide written informed consent; 2. Are being cared for in OR, PACU or ICU and are expected to remain in the unit for the duration of the study procedure; 3. Have an invasive blood pressure measurement as a standard of care; AND 4. Are 18 years of age or older. Exclusion Criteria: 1. Are known to be pregnant; 2. Are breastfeeding; 3. Are suffering from infection(s) that require isolation; OR 4. Have an external heart assistant device. 5. PI or caring physician decision due to subject health condition