My hand really hurts?

So today i tripped and fell on some concrete. And i scrached my legs and i could feel my hand for a minute. I felt it again but it still really hurt. Its been 3h now and it still hurts. When i fell i didnt hear any cracks or pops. And i felt my hand and everything seemed in place. But when i fell i also hit my... show more So today i tripped and fell on some concrete. And i scrached my legs and i could feel my hand for a minute. I felt it again but it still really hurt. Its been 3h now and it still hurts. When i fell i didnt hear any cracks or pops. And i felt my hand and everything seemed in place. But when i fell i also hit my elbow. So i think i hit a nerve very hard so my hand hurts. Someone got any ideas on what happend or what should i do?
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