Figure 2: Mechanism and management of kidney disease in coronavirus disease 2019. AKI: Acute kidney injury, Bx: Biopsy, CKD: Chronic kidney disease, CRRT: Continuous renal replacement therapy, ESRD: End-stage renal disease, HD: Hemodialysis, PD: Peritoneal dialysis, PIRRT: Prolonged intermittent renal replacement therapy, RAS: Renin-angiotensin system, RRT: Renal replacement therapy, SLED: Sustained low-efficiency dialysis.