Evaluation of the Zynex Blood Volume Monitor in Healthy Adult Volunteers During a Blood Draw

Clinical Evaluation of the Zynex Blood Volume Monitor (CM1500) in Healthy Adult Volunteers During a Blood Draw

To determine if a manual blood loss can be detected using the non-invasive blood monitor.

Inclusion Criteria:

• healthy volunteer
• between 18 to 50 years of age
• weight between 157 to 220 lbs

Exclusion Criteria:

• unstable or untreated cardia disease
• alcohol consumption in 24 hours prior to screening
• tobacco use in 4 hours prior to screening
• pregnancy
• infection
• Hemoglobin < 12.5 g/dL at time of procedure