Hi - I'm 35, Female. Two Days Ago I Tripped

Hi - I'm 35, female. Two days ago I tripped and fell while on my run. I landed partially on my knee, but also on my elbow. There is a small scrape on my elbow but it really doesn't feel terribly bruised. I just noticed, however, a HUGE (almost golf-ball) size lump protruding from my elbow joint. I am assuming this is some sort of bruise or swollen effect from the fall - any indication how long this might take to go down? Any suggestions on how to reduce the size more quickly? Thank you!