University:
Swansea University
Course:
PM-139 | Human Physiology 1
Academic year:

2023
Views:

433

Pages:

5
Author:

Amal J.

RICKETS:Definition:It is a detectivemi neralization of bones beforeepiphyseal closure in inmature or )mammals due to deficiency (calcium potentially leading tofracture and deformity.a childhood diseases.osteomatric IS (sottening otbone).is similar condition occuringin a adults generally due to vit Ddeficiency but occur after epiphysealclossure.causes: vitamin D deficiency.vit D absorb calcium 4phosphorourd from food. -:vitamin D foo m In two Especially sources uv-lighthuman sunlight skin cells convent activelets Vi+D from inactive orstate. In absence of vit Dfdietary calcium is not properlyabsorbed resulting hypo calcaemaleading to Skelebal & den teeldeformation neuromuscularsymptoms.FoodFish oids, fatty, fishegg \ milk cevels & some fruits.Risk factors :Age 3-36 mnth old as mostat risk of rickets bcz theirsketetons are growing so rapidlyDari skin =Doesn't react as stronglyto sunshine as does lightercolorskin ( so it produce Lessvitamin D.Northern lattitude:who live in geographicallocations where there is lesssunshine. premature birth:before delivery date are moreProne to develop rickets.Anti-seizures - medicationEnclusive breast feedingBreast milk doesn't containenough vit D so babies whoreactive breast teed shouldarereceive vit D drops.Types :Nutritional ricketsD resistant ricketsvit vit D dependent ricketsTypI type Icongenital ricketsNewborn rickets.clinical features iBone tendonessDelayed growthBreast bone progectionpental problemmuscle weaknessT tendency for tractersespecially green stick tracture. skeletal deformi ty :Bow leg(or) genee varum (toddler)knock knee (or) gener vargramlold child ) ,cranial deformity (delayedtontanette closure)pelvi C deformityspinal deformity (ky poscoliosis(or) lumbar (ardosis).Growth disturbanceLy pocalcamia CLOW levelcalcium in blood)totanycranis tabes (soft stull)costochondral swellingC prominent knob of bono) crachiticrossory).Hassison's groove ( Aorizontalgroove along the lower borders ofthorara corresponding to the costalinsertion of diaphragm ).widening of wrist. 7Diagnosis:n- ray : find out the deformi ti asBlood test :serum calciumyow .serum phosphorousAlkaline phosphate - high.Bone biopsyran Low confirmricketsTreatment !Dietsunlightvit D drops.surgical :surgical correction for deformitiesprevention:Eating foods that contain vitDnaturally - fatty fish fish oilGegg.lov )for titied with vitD suchas :Infant formularcercalsmilkorange juice.