NIBP Accuracy Study for Adult

The purpose of this study is developing new NIBP enhancement.

Inclusion Criteria: * Age requirement: 18 and over. * Have an upper limb (right OR left side) that fits the cuff size of the device (circumference ranging 17 cm to 40 cm) OR have a thigh (right OR left side) that fits a cuff size of the device (circumference ranging 38 to 50 cm). * Have an arterial line as a standard of care, which measures blood pressure at the aortic root. * Able to provide written informed consent. * Expected to remain in the unit for the duration of the study procedure. Exclusion Criteria: * Have previously participated in this study (no subject may participate more than once). * Pregnant and lactating women per site standard of care. * Subjects with peripheral arterial diseases (causing left/right arm difference). * Subjects with complications, who is on vasoactive agents at discretion of the PI. * Exhibited injuries, deformities, intravenous lines, or other abnormalities that, in the opinion of the Investigator, may prevent proper cuff application or functioning. * Are suffering from infection(s) or immunocompromised patients that require isolation. * PI or designee decision due to subject health conditions