I fell on my arm and its swelling?

I fell on my knee, and now its swelling really badly. Does this effect my blood flow? It was bleeding quite badly as well as the swelling. Do I need t

I fell on my knee, and now it's swelling really badly. Does this effect my blood flow? It was bleeding quite badly as well as the swelling. Do I need to go to the doctors? Oh please help!

or:I fell on my knee, and now it's swelling really badly. Does this effect my blood flow? It was bleeding quite badly as well as the swelling. Do I need to go to the doctors? Oh please help!

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