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Beta Blockers for Tox induced Tachycardia

For which poisonings that result in tachycardia might Beta Blockade be a good idea?
methyl xanthines (caffeine, theophylline, aminophylline; they increase beta1&2 signaling as a downstream effect of phosphodiesterase activity and adenosine antagonism )
albuterol, clenbuterol (iatrogenic) 
glucagon (iatrogenic) 
halogenated hydrocarbons (huffers)