hai sir..my baby s 10 mnth old .she s tryng to walk..so.. fall down frequently..tody she s tryng to walk with wooden walker .she fal down with walker ..sharp wooden part hit on baby chest .i dnt knw whether the hit is mild or deep .. suddenly.she s cry a lot fr ..aftr tat ..she s stop cryng ..playing nd sleeping.. active nw...but i am worried.. hw do i knw .. injury s mild or severe...any symptoms wil occur if injury s severe on chest.