Blood hemoglobin concentration measurements using a spectrophotometric method (SpHb), and inferior vena cava ultrasonography (IVC‐US) are noninvasive methods used to follow‐up hemorrhages. We compared their efficacy using voluntary blood donation… Click to show full abstract
Blood hemoglobin concentration measurements using a spectrophotometric method (SpHb), and inferior vena cava ultrasonography (IVC‐US) are noninvasive methods used to follow‐up hemorrhages. We compared their efficacy using voluntary blood donation as a model of moderate (approx. 500 mL) blood loss.
               
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