How the BVA-100 Works

Basic Principle of Blood Volume Analysis

The BVA-100 Blood Volume Analyzer quantifies circulating blood volume utilizing the gold standard methodology, the indicator tracer dilution technique. A dose of Volumex® Albumin I-131 tracer is injected intravascularly. Once the tracer has fully circulated in the bloodstream, a series of small blood samples are drawn. The BVA-100 automatically calculates patient blood volume by comparing the concentration of undiluted tracer prior to injection to the tracer concentration diluted in the patient blood samples.

The human figures represent sequential calculated blood volumes at the recommended intervals for drawing blood samples after tracer injection. 

As the Volumex® tracer transudates from the intravascular to the extravascular space (depicted as the pink dots moving outside the red vein), the quantity of tracer decreases intravascularly implying a higher dilution factor and therefore higher blood volume.

The red line represents is the regression calculation of the analyzed draws to time zero or time of injection, which indicates the level of true total intravascular blood volume.

The red line is also a measure of albumin transudation, a measure of capillary permeability. 

Partner With the Dedicated Leader in BVA

As the pioneer in blood volume analysis, Daxor provides education and the resources needed to ensure easy onboarding along with continuing support to drive maximum value from your BVA system throughout your facility. With a long-standing commitment to improving care and numerous studies validating our technology, Daxor is completely focused on advancing healthcare by enabling optimal fluid management with blood volume analysis. Our vision is optimal blood volume for all.

Volume is Vital. End the Debate With Daxor.

Call us at 865-425-0555.

 

Daxor Corporation is the global leader in blood volume measurement technology focused on blood volume testing innovation. We developed and market the BVA-100 (Blood Volume Analyzer), the first diagnostic blood test cleared by the FDA to provide safe, accurate, objective quantification of blood volume status and composition compared to patient-specific norms for use in a broad range of medical and surgical conditions.

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