LBD is a an umbrella term for two related clinical diagnoses, dementia with Lewy bodies and Parkinson's disease dementia. The latest clinical diagnostic criteria for dementia with Lewy bodies (DLB) categorizes symptoms into three types, listed below. A diagnosis of Parkinsons' disease dementia (PDD) requires a well established diagnosis of Parkinson's disease that later progresses into dementia, along with very similar features to DLB.
The meaning of LBF is: Later, best friend . Find more definitions for LBF on Slang.org!
3. (Units) an apothecaries' unit of weight, used in the US, that is divided into 5760 grains and is equal to one pound troy. 4. (Units) (not in technical usage) a unit of force equal to the mass of 1 pound avoirdupois where the acceleration of free fall is 32.174 feet per second per second. Abbreviation: lbf. 5.