Tox Flashcards
Are comprehensive drug screens helpful?
not helpful, take too long
Coma Cocktail
50 cc of 50% glucose IV (amp of D50), Naloxone (lasts about 45 mins), Thiamine 100mg IV
Antidote for benzos
flumazenil
antidote for cyanide
lilly kit
Antidote for anticholinergics
physostigmine
antidote for beta blockers
glucagon
antidote for TCAs
Na Bicarb
Anion gap equation, and normal range
Na- (Cl + HCO3); normal is 5-15
Charcoal does not work with?
Iron Lithium Cyanide Pesticides Acids and Alkalis
What are the radiopaque pills you can see on KUB?
Chloral hydrate Heavy metals Iron Phenothiazines; packets of drugs Enteric coated pills Salicylates
What other substances have the anticholinergic toxidrome?
antihistamines, antipsychotics, TCAs, Carbamazepine, Cyclobenzaprine
Plants: Jimson weed and Belladonna
Major difference between antichol toxidrome and sympathomim toxidrome?
antichol: flushed dry skin, absent bowel sounds and distended bladder
sympathomim: normal skin or sweating, normal bowel sounds, bladder not distended
What toxins have cholinergic effects
pesticides, chemical warfare agents
sympathomimetic tx
benzo’s, cooling, iv fluids, charcoal
Opiates classic triad
respiratory decreased
depressed LOC
Miosis
What med can be used to tx serotonin syndrome
benzos
Acetaminophen toxic values in adults and kids
7.5g in adults
150 mg/kg in kids
Acetaminophen sx
typically few sx in 24 hrs, then malaise, nausea, RUQ pain
Aspirin Sx’s
early/mild: tachycardia, tinnitus, n/v, abd ain, tachypnea, diaphoresis
late/severe: coma, seizures, resp depression, no-cardiogenic pulmonary edema, dehydration, shock.
TCA EKG changes
first: sinus tach
terminal R wave in aVR
widened QRS
ventricular tachycardia
How do you know if deferoxamine is working
“vin rose” urine
Digoxin symptoms
n/v/d, bradyarrythmias, hyperkalemia, CNS sx’s, EKG with specific findings
PE signs of alcohol withdrawal
tongue wag, tremor, tachycardia, low grade temperature
Early GI symptoms within 2 hours from eating mushrooms is reassuring, true or false
true , delayed symptoms over 6 hrs associated with liver, kidneys, CNS damage