Evaluation of Non-Invasive Hemoglobin in Trauma Patients

Inclusion Criteria:

• Estimated 16 years of age or older or greater than or equal to 50 kg body weight if age unknown.
• Level 1 (highest trauma activation) status at the time of arrival to emergency department (ED).
• Expected to be admitted to the ICU/IMU for in hospital care.

Exclusion Criteria:

• Moribund patients with devastating injuries and expected to die within one hour of ED admission.
• Prisoners, as defined as those who have been directly admitted from a correctional facility (a free living individual who is under police observation as a suspect will remain in the study until hospital discharge).
• Obvious pregnancy in the ED.
• Received greater than 5 minutes of cardiopulmonary resuscitation (CPR) in the pre-arrival or hospital setting.
• Has, on the ring, middle and index fingers of both hands, any of the following: finger deformities, injuries, including burns, scar tissue or infection, or any material that may interfere with sensor application or trans-illumination of the site.
• Has significant bilateral trauma to the arms or forearms.