I read this one on paper so it was likely pre-2004, possibly pre-2000.
Not sure which villain was the perpetrator -- maybe the Joker? -- but I seem to recall it being caused by a hand-sized, horn-shaped device hooked into the innards of TV sets, which were possibly sold to unsuspecting citizens by henchmen.
I do recall one scene in the comic where EMT responders cannot read their pill bottles to administer drugs to an old lady who has collapsed, so Batman has to help them, as he is unaffected.