Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (787 page)

   Dehydration

   Diarrhea

   Head trauma

   High fever

   Hepatic disorders

   Hyperventilation

   Malabsorption syndromes

   Starvation and uremia

   Limitations

   Antacids, corticotrophin, mercurial and thiazide diuretics, and sodium bicarbonate increase blood levels.

   Acetazolamide, ammonium chloride, aspirin, chlorothiazide diuretics, methicillin, paraldehyde, and tetracycline decrease blood levels.

   High altitudes decrease values.

   Hyperthermia increases blood levels.

CARBOXYHEMOGLOBIN (CARBON MONOXIDE, COHB, HBCO)

   Definition