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!
A pound-force is the amount of force required to accelerate a slug at a rate of 1 ft/s 2, so: In some contexts, the term pound is used almost exclusively to refer to the unit of force and not the unit of mass. In those applications, the preferred unit of mass is the slug, i.e. lb f Â·s 2 /ft.In other contexts, the unit pound refers to a unit of mass.In circumstances where there may otherwise be ambiguity, the symbols lb f  and lb m  and the terms pounds-force and pounds-mass can be used to distinguish.n some contexts, the term pound is used almost exclusively to refer to the unit of force and not the unit of mass. In those applications, the preferred unit of mass is the slug, i.e. lb f Â·s 2 /ft.