Hidden geometry after REFEDIT dynamic bloc with VISIBILITY STATES

[psantosLMR8G]

I have a dynamic block with some visibility states and dynamic features.
After i adjust and populate my drawing, i need to make them "undynamic" blocks. My workflow is to REFEDIT the given block i want to "lock", so it has a single name and no dynamic proprieties. Lately i understand that the resultant block has hidden objects who are leftovers from the visibility option.
The only way i find out that was to BLOCK EDIT the block with BVSTATE turned on from a previous edit. The new block doesn't allow to change BVSTATE because it has no visibility parameter set up, what means that i may have lots of hidden geometry in my drawings.

Given this hidden geometry, i would like to check my drawings (preferably in model space) for BV HIDDEN geometry. 

In attachment i have the dynamic block (PP) and a REFEDITED version (PP1)

[K_Kubat · Accepted solution]

Open block in the block editor
"Ctrl+A" (selects all objects)
Remove visible objects from selection (hold down Shift and deselect with mouse click)
now only the invisible objects are selected.
Press remove button.
Save block and close editor.

[psantosLMR8G]

Thanks @K_Kubat , it solves it without the need to change BVSTATE, but how can i find witch blocks have hidden geometry in the first place?

[K_Kubat]

Unfortunately, I don't know how to check this in the drawing. I'm guessing that an experienced Lispler could write a program for it, but I'm the wrong person for that.
I avoid converting dynamic blocks into static blocks, as this would cause many attributes to lose their field connection and external fields could also display ####, especially since AutoCAD-based programs can work with them without any problems and in other applications they appear static anyway.