4. cause
• nutritional
vit D defeciency
calcium defeciency
phosphate defeciency
• inherited
• secondary to liver and renal disease affect
metabolism of Ca PO4 VitD
5. vit D defeciency
• the most common cause of rickets
• source of vitamin D
exposure to sun
food (oily fish, eff yolk)
breast milk is poor in vit D
6.
7.
8. Vit D defeciency
• in children cause rickets and osteomalacia
• in adults cause osteomalacia
9. risk factors
• barrier to sun exposure
• dark skin
• exclusive breast feeding
• mother vit D defeciency during pregnancy
• northern latitude
• premature birth
• medications (anti-siezure)
• malabsorbtion (IBD, CF, kidney problems)
11. signs and symptoms
• leg pain
• weakness, excessive fall
• unable to walk
• delayed motor milestone
• fracture
• delayed dentition
• short, delayed growth
• bone deformities
12. Complications
• failure to grow
• abnormal curved spine
• bone deformities
• dental defects
• siezures
• hyperparathyroodism
• cardiopulmonary system
• depression
13. bone deformities
• bow legs
• knock knees
• abnormal curved spine
• soft skull
• thick ankle and wrist
• rackitic rosary ribs