EE HAD FALLEN BACKWARD LANDING FLAT ON EE SELF-RESCUE UNIT, CAUSING SEVERE PAIN TO LOWER BACK. EE WAS TRANSPORTED TO HOSPITAL AND RELEASED FULL DUTY. ON 12/03/04, EE EXPERIENCED SHORTNESS OF BREATH AFTER FIXING ROLLER. WAS SENT TO HOSPITAL TO REMOVE FLUID FROM RIGHT LUNG, SPENT 3 NIGHTS AT THE HOSPITAL AND RELEASED 12/06/04