NSG 3315 Lecture Notes - Lecture 36: Oliguria, Abdominal Pain, Horseshoe Kidney
Document Summary
Begin to development in 5th week of gestation. Urine production begins 9-12th week and is the main component of amniotic uid. Renal hypoplasia - kidney do not develop to normal size dysgenesis - failure of an organ to develop normally. Agensis - complete failure of an organ to develop. One most common = horseshoe kidney - upper and lower poles of the kidneys are fused making the horseshoe appearance. Can involve any level of urinary tract renal pelvis ureter bladder and urethra. Bph (benign prostate hyperplasia) ureteral stricture - narrowing congenial defects. Most common cause of upper urinary tract obstruction. Crystalline structures that form from materials usually excreted in the urine. Kidney stones require a nucleus to form and an environment that supports it growth. Risk factors for kidney stones: age > 40 male gender diet - sugar certain medications obesity low hydration hypercalciuria.
