I HAVE A SISTER IN THE HOSPITAL THAT THE MD

I HAVE A SISTER IN THE HOSPITAL THAT THE MD SAY SHE IS SEPTIC. HOWEVER, SHE HAS NO UTI AND NO GROWTH IN THE BLOOD. MY SISTER CANNOT SEEM TO KEEP THE BLOOD PRESSURE UP WITHIN NORMAL RANGE AND THEY ARE HAVING TO GIVE HER LEVOFED AND THEN WENT INTO ATRIAL FIB WITH A PULSE OF 190 3 DAYS LATER AND THEY ARE REGULATING THAT WITH AMADARONE. THYROID NORMAL, WHITE COUNT ELEVATED TO 20. SHE HAS BEEN UNRESPONSIVE AT TIMES. PLEASE ADVISE.