Originally posted 2013-03-27 03:28:14. Republished by Blog Post Promoter Acute Glomerulonephritis (AGN) is a medical condition which involves the kidney, particularly, the glomeruli. This requires immediate medical and nursing interventions to retard the progress of scarring within the kidney. This scarring is somewhat irreversible which later causes renal failure. This disease affects 0.02% of the...