QuestionSBA
QuestionChoice
The stage of an AKI can be calculated based on how many times the creatinine has increased from the baseline. In this example, 78 has increased to 242 which is more than 3 times. This means there is a stage 3 AKI. Stage 1 is creatinine 1.5-1.9 times the baseline value.
10027778
c
AKI stage 1
QuestionChoice
The stage of an AKI can be calculated based on how many times the creatinine has increased from the baseline. In this example, 78 has increased to 242 which is more than 3 times. This means there is a stage 3 AKI. Stage 2 is creatinine 2-2.9 times the baseline value.
10027779
d
AKI stage 2
QuestionChoice
There is no stage 4 for AKI.
10027780
e
AKI stage 4
QuestionChoice
The creatinine level at present is 3 times the baseline, hence AKI stage 3.
10027776
a
AKI stage 3
QuestionChoice
The raised creatinine, urea and low eGFR all suggest an acute kidney injury. The history given is also consistent with rhabdomyolysis, following a fall with a long lie the muscles start to break down and release myoglobin which in turn damages the glomeruli.
10027777
b
Consider an alternative diagnosis
Concept
Chapter
2693
3752
Acute Kidney Injury
Topic
142
Nephrology
17953
An 80-year-old woman is brought to A+E after being found on the floor in the kitchen by her carers this morning. They believe she may have been there all night. Your main differential is an acute kidney injury (AKI) secondary to rhabdomyolysis. Using the U+E results table below, what is the stage of this woman's AKI?
 
|                    |    |        |
| --------------------------- | :-------: | -------------------- |
| Sodium                      | 134 mmol/L          | 135 - 145     |
| Potassium                   | 4.7 mmol/L          | 3.5 - 5.3     |
| Urea                        | 5.2 mmol/L          | 2.5 - 7.8     |
| Creatinine                  | 78 µmol/L          | 60 - 120      |
| eGFR                        | >90 mL/min/1.73m<sup>2</sup>   | > 60 |
a