doc,please healp me! i used to be strong and energetic,had strong heartbeat that makes me xcited of what im doin.i can say that my heaqrt n mind coordinates so well,.but now after that palpitations that i feel that lasted a month and more,.it left me numb,cant feel my heartbeat, cant feel my xcitement had difficulty breathing and my eyes grow dim... feel weak all the time,my body feels cold,.my chest congested my stomach seems full.,please help me.please advice,.