Toxicology Flashcards
Antidote to Acetaminophen?
N-acetylcysteine
Antidote to Arsenic, Mercury, or Gold?
British anti-Lewisite or DMSA
Antidote to Atropine?
Physostigmine
Antidote to Benzodiazepines?
Flumazenil
Antidote to CO?
O2
Antidote to Cyanide?
Amul nitrate, then sodium nitrite, then sodium thiosulfate
Antidote to Ethylene glycol?
Fomepizole
Antidote to Iron?
Defreoximine
Antidote to Lead?
Edetate calcium disodium or DMSA
Antidote to methyl alcohol?
Ethyl alcohol +/- dialysis
Antidote to nitrates?
Methylene blue
Antidote to opiates?
Naloxone
Antidote to organophosphates?
Atropine
Pralidoxime
T/F: With ingestion of a toxin, you should induce vomiting to eliminate it.
False, it doesn’t actually work, so it is no longer encouraged.
Pinpoint pupils is a sign of why kind of toxidrome?
Narcotics
What is the number one side effect of hypertension drugs?
Hypotension
What’s a unique sign of salicylate toxicity and how do you treat it?
Tinnitus
Hydration (alkalinize the urine) and hyperventilation
Acetaminophen is oxidatively metabolized in the liver via the mixed function P450 system to what toxic metabolite?
N-Acetyl-p-benzoquinone-imine (NAPQI)
What are the key points for the four stages of acetaminophen toxicity?
1: 30min - 24hrs - N/V
2: 24 - 48hrs >AST, ALT, bilirubin
3: 72 - 96 hrs - peak toxicity
4: >96hrs - recovery, liver transplant or death
What are three NSAID containing narcotic analgesics?
Percodan - oxycodone/aspirin
Combunox - oxydodone/ibuprofen
Vicoprofen - Hydrocodone/ibuprofen
What are common SSX of antidepressant toxicity?
Dry mouth
Blurred vision
Urinary retention
Constipation
What are SSX of Serotonin syndrome?
Agitation Anxiety Confusion Insomnia Headache Coma Salivation Diarrhea Abdominal cramps Cutaneous piloerection Flushed skin Hyperthermia Rigidity Shivering Incoordination Myoclonic jerks
An overdose of what class of antidepressant can progress to bradycardia, hypotension, and coma and has a high mortality rate?
MAO inhibitors
How might you treat a black widow spider bite?
Muscle relaxants to relieve muscle spasms (diazepam)