Clinical Evaluation of the Zynex Blood Volume Monitor (CM-1500) in Healthy Male Adult Subjects During a Blood Draw

Clinical Evaluation of the Zynex Blood Volume Monitor (CM-1500) in Healthy Male Adult Subjects During a Blood Draw

Zynex's blood volume monitor (BVM) is a non-invasive monitoring device to monitor blood volume and blood loss of a patient during surgery, post operatively and/or in recovery. This monitoring device will identify baseline blood volume and relative changes in blood volume using a specific algorithm to compare and review data already monitored during surgery, displaying blood volume and blood loss in real-time.

Inclusion Criteria:

• Written informed consent
• Male, 18-65 years of age
• Subject is suitable for a blood draw of a pint of blood
• Weighs at least 110 pounds

Exclusion Criteria:

• Subject has a heart condition that may interfere with the Zynex CM-1500
• Subject has unstable or untreated heart disease
• Subject has been diagnosed with chronic fatigue syndrome
• Subject is taking coumadin (warfarin), heparin, or other prescription blood thinners for at least 7 days prior to blood draw
• Subject donated blood within 8 weeks prior to blood draw
• Subject has high or low blood pressure on the day of blood draw
• Subject hemoglobin < 12.5 g/dL