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A member asked:

Does dark red blood mean you have a lot of iron in it?

A doctor has provided 1 answer
Dr. Donald Alves answered

Specializes in Emergency Medicine

Not always: It can indicate there is less oxygen in it (which is ok since it likely came from a vein, which is going back to heart to lungs for oxygenation), as arterial (/oxygenated) blood is often a rather bright red. No specific cause, just tendency.

Answered 1/9/2018

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