fell 2 weeks ago and hit all weight on left knee. was black and blue all over and that is going away. Can walk and its not painful but feels very still and swells and bruises down my leg all the way to ankle. Do you think its a hematoma? knee swollen but has gone down. I have twin toddlers so can't really stay off my feet all day but do keep it elevated and iced. anything else i can do and how long do these things take to heal? when its in a brace i can walk well kind of stiff feeling but its better since the fall.