Behavioral/toxicology/womd Flashcards
(75 cards)
What is the most common cause of carbon monoxide exposure?
Incomplete combustion of fossil fuels.
What is the hallmark symptom of carbon monoxide poisoning?
Headache.
How does cyanide poisoning affect cells?
Blocks cytochrome oxidase; prevents cellular oxygen use.
What are SLUDGE symptoms in organophosphate poisoning?
Salivation, Lacrimation, Urination, Defecation, GI upset, Emesis.
What is the antidote for organophosphate poisoning?
Atropine and pralidoxime (2-PAM).
What receptor type is blocked in anticholinergic poisoning?
Muscarinic and nicotinic acetylcholine receptors.
Name two common anticholinergic drugs.
Benadryl and Atrovent.
What are hallmark signs of anticholinergic toxicity?
Hot, dry skin, mydriasis, tachycardia, delirium.
What does COMEBIG stand for in toxicology treatment?
Charcoal, Oxygen, Monitor, ECG, B/P, IV access, Glucose check.
What is the antidote for TCA overdose?
Sodium Bicarbonate.
What toxidrome presents with miosis, bradycardia, and bronchorrhea?
Cholinergic toxidrome.
What is the treatment for cyanide poisoning?
Hydroxocobalamin or sodium thiosulfate.
What is the most common symptom of salicylate toxicity?
Tinnitus.
What acid-base disturbance is caused by aspirin overdose?
Mixed respiratory alkalosis and metabolic acidosis.
What is the antidote for acetaminophen overdose?
N-acetylcysteine (NAC).
What lab test helps assess acetaminophen toxicity risk?
Rumack-Matthew Nomogram.
What is the triad for opioid overdose?
CNS depression, respiratory depression, pinpoint pupils.
What is the antidote for opioid overdose?
Naloxone.
What is the primary danger in beta-blocker overdose?
Bradycardia and hypotension.
What is used to treat beta-blocker overdose?
Glucagon.
What electrolyte imbalance may be seen in digoxin toxicity?
Hyperkalemia.
What visual symptom is unique to digoxin toxicity?
Yellow or green vision (xanthopsia).
What is the antidote for digoxin toxicity?
Mag
What is the main risk with calcium channel blocker overdose?
Hypotension and bradycardia.