noun
acute renal failure
Medical term for a sudden loss of kidney function.
急性腎不全の治療には、透析が必要になることがあります。
Treatment for acute renal failure may require dialysis.
慢性腎不全 is chronic renal failure, a long-term condition, whereas 急性腎不全 is acute and sudden.
Compound of 急性 (acute) + 腎 (kidney) + 不全 (failure).