MY MOTHER 92YRS OLD NO H/O CKD EARLIER, KNOWN HYPERTENSIVE,

MY MOTHER 92YRS OLD NO H/O CKD EARLIER, KNOWN HYPERTENSIVE, NON DIABETIC, DEVELOPPED ANOREXIA + GENERALISED WEAKNESS15 DAYS AGO, LATER S. CRTN WAS NORMAL ON 13TH JAN BUT FOUND TSH RAISED, LATER DEVELOPPED DISORIENTATION AND FINALLY IN ALTERD SENSORIUM ON 20TH JAN WITH HIGH UREA 95, S CRTN 2.2, BUT HYPONATREMIA NA-1.4 - NOW UREA REDUCED TO 75, S. CRTN 1.7, NA IS CORRECTED TO 129 BUT STILL IN ALTERD SENSORIUM, WHAT COULD BE PROGNOSIS ?, HEART RATE IS STABLE, BP WAS NOT RECORDABLE EARLEIR BUT NOW 100/70 WHAT COULD BE PROGNOSIS