Flashcards in S2E5: Poisoned pt Deck (44)
Cardiac arrhythmias causes
over dose of ephedrine, amphetamines, cocaine, digitalis, theophylline, TCAD
cellular hypoxic death causes
cyanide, hydrogen sulfide, CO
seizure & death causes
over dose of antidepressants, isoniazid, diphenhydramine, cocaine, amphetamine
Tylenol OD effect
massive hepatic necrosis 48-72 hr post ingestion
thiamine and glucose for...
wernick's encephalopathy and hypoglycemia
narcotic antagonist (narcan) for...
benzo OD (but careful if TCAD, seizure d/o, or benzo dependence, bc can cause seizures)
HTN and tachycardia typical with...
amphetamines, cocaine, anticholinergics
hypotension and bradycardia typical with...
CCB, Beta blockers, clonidine, sedative hypnotics
hypotension and tachycardia typical with...
TCAD, trazodone, quetipine, vasodilators, beta agonists
rapid respirations typical with...
hyperthermia typical with...
anticholinergics, salicylates, drugs producing seizures
hypothermia typical with...
CNS depressant drug
miosis typical with...
narcotics, clonidine, phenothiazines, cholinesterase inhibitors, deep coma
mydriasis (dilation) typical with...
amphetamines, cocaine, LSD, anticholinergics
horizontal nystagmus typical with...
sedative hypnotics, phenobarbital, phenytoin, EtOH
vertical and horizontal nystagmus typical with...
ABG looks at...
oxygenation (low PO2 and high PCO2 is failure)
pH (acidosis = poor perfusion)
electrolytes look at...
serum osm looks at...
chemicals dissolved in blood. Works for sodium, chloride, bicarb, proteins, sugar.
Wide QRS typical with...
prolonged QT typical with...
quinidine, lithium, antipsychotics
AV block typical with...
w/in 30 min w 8 oz water. Only if poison control says so.
corrosives, petroleum-based, rapid acting convulsant
activated charcoal use
Most helpful (but not w corrosives)
Urinary alkalinization (Sodium bicarb IV) use
if toxic substance is weak acid (phenobarbital or ASA). Enhances elimination.
for ethylene glycol, methanol, EtOH, lithium, ASA, theophylline
APAP max dose
kids: 150-200 mg/kg