Am young. when playing soccer felt few flutters. no other symptoms. am gonna get seen soon. what are the chances at my age this is gonna turn out bad?

Low, "flutters" does: not necessarily mean cardiac arrhythmia; generally ≥30% of time, rhythm monitor recordings during flutter/palpitation sensations do not show any changes in heart rhythm. Thus best use event monitor (worn during time most likely to have symptoms) & be sure to record date&time of symptoms to correlate with the recording when reviewed later. The current best: http://goo.gl/PFv86Y = both Holter&Event.