i HAVE HAD SEVERAL uti IN THE PAST FEW MONTHS, BLOOD IN URINE, TAKEN ANTIBIOTICS, REALLY CONCERNED. WENT TO er THEY DID ULTRASOUND KIDNEYS OK, MY PCP DID URINE TEST ON WEDNESDAY HAVE NOT HEARD BACK FROM HIM. I JUST FINISHED A VIGOROUS WALK AND NOW I HAVE BLOOD AGAIN IN MY URINE, THIS TIME WITH TINY CLOT. SCARRY SITUATION. SHOULD I GO BACK TO ER, I HAVE BEEN THERE 2 TIMES FOR THIS