A 75 year old man is brought to your ED by ambulance after a fall at the nursing home he resides in. His GCs is 15 with normal vital signs.
His blood tests show:Na 178 (137-145 mmol/l)
K 4.6 (3.5-5 mmol/l)
Cl 142 (99-111 mmol/l)
HCO3 30 (22-26 mmol/l)
Urea 34.7 (2.8-7.5 mmol/l)
Creat 368 (<130 umol/l)
Describe and interpret the blood results.
What are the possible causes of his fall?