Normal hemoglobin levels differ for men and women, with adult males having 13.8 to 17.2 g/dL and females having 12.1 to 15.1 g/dL. High hemoglobin levels can be caused by dehydration, smoking, or ...

A spectrophotometric hemoglobin sensor may help providers monitor blood hemoglobin levels noninvasively during surgery, according to a report published in the April 2011 issue of Anesthesia & ...