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why do they take your blood in the emergence room?
- always b naturalLv 710 years agoFavorite Answer
To assure they have the correct diagnosis.
Even if you have something like a broken bone,
a blood smear can indicate if you are developing
blood clots. or even if the break is from bone
weakening from diseases like leukemiaSource(s): my lab background
- Rita VLv 710 years ago
Sneaker Head, They take blood because it will give them clues about what is wrong, they can tell if u have infection, wheather ur Anemic, they can even tell by ur blood that u are having a Heart Attack, so there are many reasons for drawing Blood. Good LuckSource(s): Retired Nurse
- Kristen BLv 410 years ago
It depends on why you were there, you probably should give more information. And no, they weren't testing for drugs or any other thing that is not specific to your condition.