Acute critical illness from ICU的用法和样例：
- Learn of: We learned of her illness from him.
- Critical illness polyneuropathy (CIP) causes acute axonal injury in peripheral nerves and muscle denervation.
- It introduced the indication, therapeutic characteristics, merits, complications, nursing care and application of continuous vein to vein hemofiltration in rescuing acute critical patients in ICU.
- Sepsis is the most common cause of acute kidney injury (AKI) in critical illness, but there is limited information on septic AKI.