User's Manual

Radical-7 Safety Information, Warnings, and Cautions
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Note: Inaccurate SpHb and SpOC readings may be caused by:
 Intravascular dyes such as indocyanine green or methylene blue
 Externally applied coloring and texture such as nail polish, acrylic nails, glitter,
etc.
 Elevated levels of bilirubin
 Low arterial perfusion
 Motion artifact
 Low arterial oxygen saturation levels
 Elevated carboxyhemoglobin levels
 Elevated methemoglobin levels
 Difference between patient's finger skin and finger core temperature
 Hemoglobin synthesis disorders
 Hemoglobinopathies and synthesis disorders such as thalassemias, Hb s, Hb c,
sickle cell, etc.
 Vasospastic disease such as Raynaud's
 Elevated altitude
 Peripheral vascular disease
 Liver disease
 EMI radiation interference