The Antidote Challenge

aka Toxicology Conundrum 031

OK.

You’ve survived the Australian elapid snakebite envenoming challenge, took the toxidrome challenge in your stride, and simply brushed aside the ‘sniff a poison’ challenge.

What’s next?…

The antidote challenge.

How this works

For each of the poisons listed below see if you can name the appropriate antidote(s), click on the link to show/hide the answer.

The Antidote Challenge antidote locker crop

What are you going to reach for in the antidote locker? (Photo by Hey Skinny)

The Antidote Challenge

  • Amanita mushrooms (amatoxin) —
    silibinin, penicillin
  • amitriptyline —
    sodium bicarbonate
    (see Toxicology Conundrum 022)
  • arsenic —
    dimercaprol/ BAL (British Antilewisite)
  • beta blockers —
    glucagon, high-dose insulin euglycaemic therapy (HIET)
  • benzodiazepines —
    flumazenil
  • bupivacaine —
    sodium bicarbonate, intralipid
  • cesium —
    prussian blue (actually not an antidote, but a specific agent used for gastrointestinal decontamination and enhanced elimination)
  • citalopram —
    cyproheptadine, benzodiazepines for serotonin toxicity
    (see Toxicology Conundrums 017 and 024)
  • copper —
    penicillamine
  • cyanide —
    thiosulfate, hydrocobalamin (also – dicobalt edetate)
  • digoxin —
    digoxin specific immune Fab fragments
  • glipizide —
    glucose, octreotide
  • heparin —
    protamine
  • hydrofluoric acid —
    calcium
  • hyoscine —
    physostigmine
  • iron —
    desferrioxamine
  • isoniazid —
    pyridoxine
  • magnesium —
    calcium
  • methanol, ethylene glycol —
    ethanol, fomepizole (4-methylpyrazole)
  • methemoglobinemia —
    methylene blue
  • methotrexate —
    folinic acid
  • mercury (inorganic salt) —
    dimercaprol (aka British Antilewisite, BAL)
  • Oleander poisoning —
    digoxin specific immune Fab fragments
  • organophosphate —
    atropine, pralidoxime
  • opiates —
    naloxone
    (see Toxicology Conundrum 006)
  • lead —
    dimercaprol (aka British Antilewisite, BAL) and EDTA, or succimer (DMSA) if mild or asymptomatic with high levels
  • paracetamol —
    n-acetylcysteine
    (see Toxicology Conundrum 001)
  • thallium —
    prussian blue (actually not an antidote, but a specific agent used for gastrointestinal decontamination and enhanced elimination)
  • verapamil —
    calcium, high-dose insulin euglycaemic therapy
    (see Toxicology Conundrum 028)
  • warfarin —
    vitamin K
    (see Toxicology Conundrums 015, 016 and 021)

[A similar question was in the JFICM exam April/May 2007 SAQs]

References

  • Murray L, Daly FFS, Little M, and Cadogan M. Toxicology Handbook, Elsevier Australia, 2007. [Google Book Preview]

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About Chris Nickson

An oslerphile suffering from a bad case of knowledge dipsosis. Key areas of interest include: emergency medicine, critical care, toxicology, tropical medicine, clinical epidemiology, history, literature and the internet-learning revolution. @precordialthump | + Chris Nickson | Contact

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