Respuesta :
If a patient's haemoglobin level is 8 g/dl due to haemorrhage and all of the haemoglobin molecules are attached to oxygen, the patient's oxygen saturation is above 95%.
Define haemoglobin?
Every time you visit to donate platelets or blood, we measure your haemoglobin level.
Red blood cells include the protein haemoglobin, or "Hb," which delivers oxygen throughout the body and gives blood its red colour.
The amount of haemoglobin in each person varies. Most of the time, men have higher levels than women.
Because we want to ensure that your haemoglobin won't go below normal after you donate, we establish a pretty high "cut-off" level.
Every time you donate platelets, you lose a certain number of red blood cells, and after several donations, your iron and haemoglobin levels may fall. Prior to donation, your Hb must be at least 125g/l for women and 135g/l for males in order to assure your safety.
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