Continuous Non-Invasive Blood Pressure System Data Collection in Comparison to Invasive Radial Arterial Pressure

Inclusion Criteria: * Subject must have the ability to understand and provide written informed consent * Subject must be willing and able to comply with study procedures and duration Exclusion Criteria: * Subject with a BMI over 39 * Deformities or abnormalities that may prevent proper application of the device under test * Lateral difference in blood pressure greater than 5mmHg diastolic and 9mmHg systolic * Tachycardia or resting heart rate less than 45 bpm * Females who are pregnant, who are trying to get pregnant, (confirmed by positive urine pregnancy test unless the subject is known to be not of child-bearing potential) * Subjects with known respiratory conditions such as: (self-reported) * uncontrolled / severe asthma, * flu, * pneumonia / bronchitis, * shortness of breath / respiratory distress, * respiratory or lung surgery, * emphysema, COPD, lung disease * Subjects with known heart or cardiovascular conditions such as: (self-reported, except for blood pressure and ECG review) * have had cardiovascular surgery * have cardiac pacemakers and/or automatic internal cardio-defibrillator * Chest pain (angina) * Abnormal pulse pressure * previous heart attack * blocked artery * unexplained shortness of breath * congestive heart failure (CHF) * history of stroke * transient ischemic attack * carotid artery disease * myocardial ischemia * myocardial infarction * cardiomyopathy * Pulsus Paradoxus * Self-reported health conditions as identified in the Health Assessment Form (self-reported) * diabetes, * uncontrolled thyroid disease, * kidney disease / chronic renal impairment, * history of seizures (except childhood febrile seizures), * epilepsy, * history of unexplained syncope, * recent history of frequent migraine headaches, * recent head injury * cancer / chemotherapy * Subjects with known clotting disorders (self-reported) * history of bleeding disorders or personal history of prolonged bleeding from injury * history of blood clots * hemophilia * current use of blood thinner: prescription or daily use of aspirin * Subjects with severe contact allergies to standard adhesives, latex or other materials found in pulse oximetry sensors, ECG electrodes, respiration monitor electrodes or other medical sensors (self-reported) * Subjects with a contact allergy to ultrasound gel. * Subjects with prior or known allergies to iodine or lidocaine (or similar pharmacological agents, e.g. Novocaine) * Failure of the Perfusion Index Ulnar/Ulnar+Radial Ratio test * Subject is intoxicated during the time of the visit, or was intoxicated within 24 hours prior to study visit, as reported by the subject, or per study staff judgment. * Other known health condition, should be considered upon disclosure in health assessment form