Which spe is the most sensitive to Fluoride poisoning ?
Ru > P & poultry
How is the absoprtion when the F is asso w/ Ca ?
Reduced
Where does the F accumulate ?
In bone & teeth
Action mecha of F :
HypoCa, high capillary permeability & inhibit enz
+ teratogenic
Bone & teeth -> OH –> hydroxyapatite
abn osteoblast mineralization
enz inhibition
Thyroid pb
Acute F poisoning CS :
GI & hypoCa signs
Chronic F poisoning CS :
bony alterations
teeth disturbances (dental lesions, mottled / Br enamel)
malnutrition
Is there a spe ttt in F poisoning ? If yes, which one ?
Yes, ionized Ca in acute cases
Chronic = no spe ttt