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12th April 2024
A 63 year old female underwent endovascular coiling to manage her subarachnoid haemorrhage six days ago.
A 63 year old female underwent endovascular coiling to manage her subarachnoid haemorrhage six days ago. The nurses state her fluid output has increased significantly and have sent investigative samples in accordance with the local guidelines. The results are shown below.
| pH (7.35 – 7.45) | 7.35 |
| Na (135 – 145mmol/L) | 123 |
| K (3.6 – 5.2mmol/L) | 4.5 |
| Serum osmolality (275 – 295mOsm/kg) | 265 |
| Serum uric acid (3.5 – 7.2mg/dL) | 3.0 |
| Urine osmolality (<100mOsm/kg) | 172 |
| Urinary sodium concentration (<20mmol/L) | 60 |
Based on her vital signs and investigation results, what is the most likely cause for her presentation?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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