If you’ve ever taken blood from patients, you’ll know that they’re often surprised at exactly how much blood is required. “Do you really need that much blood?” they ask, faces aghast. In your own mind though, have you ever had that question? Can you really take too much?

Patients get anaemia in hospital for all kinds of reasons, including bleeding, sepsis, and medications, but this study from the Archives of Internal Medicine looked at whether the amount of blood taken is associated with this hospital associated anaemia. 

And indeed it is; for every 50ml more of blood you take, there was an 18% increase in the risk of developing moderate to severe anaemia.

There’s no doubt that anaemia leads to worse outcomes, so perhaps it’s time to really think about all those tests you order. Check this unique study out over here

IMAGE Thirteen Of Clubs
VIA Archives of Internal Medicine 


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