Sv: Hb-värden, vad är normalt?
Hb refers to hemoglobin, a component of red blood cells which actively binds and transports oxygen from the lungs to the peripheral tissues. Normal levels in a healthy horse are between 10 - 18 g/dl(4). Low hemoglobin levels, along with a low hematocrit, might indicate anemia, a decrease in the number of circulating red blood cells.
sO2 levels represent a measurement of how much of the available hemoglobin molecules are currently involved in transporting oxygen. For example, an sO2 level of 78 would indicate that 78% of the available hemoglobin is being utilized to transport oxygen and that the horse is still exercising at less than his maximum aerobic capacity. Horses with low hemoglobin levels could usually be expected to have higher sO2 levels during exercise (and therefore a reduced aerobic capacity), simply because a larger proportion of available hemoglobin are being utilized to transport oxygen.