Prussian blue?

Atropine, pRussian blue."

Poison control's trying to locate prussian blue.

Was the Prussian blue effective? No.

Trace amounts of ferric ferrocyanide. Prussian blue.

Okay, does your pharmacy stock the antidote prussian blue?

Here... we have a positive Prussian Blue test.

So prussian blue combined with hemoperfusion is reducing the thallium's half-life to a few days.

The pigment, Prussian blue, has been applied by artists since the 1700s.

Prussian blue works best when it's used or taken as a preventative measure before exposure, or right after.