Toxicology Flashcards
3 Stages of Tylenol overdose
- flu-like (N/V, abd pain, swat, pale)
- liver injury (RUQ pain, LFT elevate)
- peak liver enzymes (hepatic fialure (glucose/lactate/phosphate abnormal), encephalopathy, hypoglyemia, coma, death
late stage serious complications of tylenol overdose
hepatic failure encephalopathy hypoglyvemia coma death
abnormal labs in tylenol overdose
LFT elevated
low glucose
phosphate abnormal
asprin overdose
N/V
tinnitis
acid base in asprin overdose
r. alkalosis
can progress to m. acidosis
cause of REye’s disease
pediatric asprin overdose
complications of asprin overdose
liver & brain damage
high ICP possible encephalopathy
hepatic encephalopathy
treatment of asprin overdose
sodium bicarb (b/c liver damage causes high ammonia) and dialysis
labs in asprin overdose
r. alkalosis progressing to m. acidosis
high lactate b/c liver damage
benzodiazepines
diazepam = valium lorazepam = ativan midazolam = versed
treatment of benzodiazepine overdose
activated charcoal if ingested
flumazenil
Fluzemanil
benzo overdose
pushing Flumazenil too fast
seizures
antidoate for Beta Blocker overdose
glucagon
s/s of BB overdose
low bp/hr conduction delays low glucose p. edema bronchospams
glucose in BB overdose
low glucose
overdose with low glucose
consider BB overdose
treat BB overdose
glucagon
pacing, atropiner
IVF for low bp
difference between BB and CaChB overdose s/s
both have low HR/BP/conduction delays
BB = low glucose
CaChab= high glucose
s/s CaChB overdose
low BP/HR/conduction delays
m. acidosis
high glucose
treatment of CaChB overdose
activated charcoal
atropine/pacing
IVF for low BP
s/s of digoxinoversoe
flu-like
yellow green halos
risk of high K
slurred upstroke on ERS
avoid if digoxin overdose
avoid electricity like pacing/cardioversion
EKG of digoxin overdose
slurred upstroke on ERS
use of phenytoin (DIlantin)q
seizures
s/s of phenytoin (Dilantin) overdose
SVT, coma, confusion, tremores
DI-like s/s
treat phenytoin (Dilantin) overdose
IVF/O2, supportative
maybe gastric lavage
s/s of cocaine overdose
chest pain, HTN, seizures, rhabdo
treat cocaine overdose
IVF, benzos
treat PCP
sedatives. no ketamine b/c delirum can worsen
risk of MDMA
overheading
low Na
serotonin syndrome
treat alkalis
copious water
treat anticholinergic
phyostigime
treat ASA
bicarb
treatment BB
glucagon
treat CaChB
Calcium gluconate
treat cocaine
benzos
treat coumadin
vitamin K
treat pit viper
CroFab, FabAV
treat cyanide
sodium thiosulfate, sodium nitrite/amyl nitrate
treat phenytoin
supportative
treat ethylene gluycol
IV ethonol or Femepizole
treat heparin
protamine sulfate
treat hydrocarbons
intubate
treat hydrofluoric aicd
calcium gluconate
treat INH
pyridoxine (vitamin B6)
treat iron
Desferal
treat methanol
IV ethanol, Fomenizole
treat organophosphates
atropine & 2-PAM
atropine & 2-PAM
organophosphates
treat alcohol overdose
IV ethanol or Fomepizole
Fomepizole
alcohol overdose
Desferal
iron overdose
amyl nitrite/sodium nitrite/sodium thiosulfate
cyanide
glucagon as an antidote
BB
what does a tricyclic antidepressant overdose look like
anticholinergic-like
EKG of tricyclic antidepressant overdose
widened QRS with prolonged QT
treatment of tricyclic antidepressant overdose
bicarb, IVF
target pH is 7.5-7.55
vasopressors if refractory low bp
how to give rx for iron overdose
Desferan creates rose colored urine and normal once yellow again
Antizole
treat toxic alcohols
ABG of toxic alcohols
lethal anion-gap acidosis over 16
aka antiffreeze
ethylene glycol
ethylene glycol
antifreeze
windshield wiper fluid
methanol
methanol
windshield wiper fluid
treat alcohol overdose
IV ethanol, Antizol, hemodialysis
complication of hydrocarbons
chemical pneumonitis. decreaed viscosity causes aspiration
DO NOT induce vomiting
toxidrome of pesticides
organophosphate = cholinergic toxidrome
s/s of cholinergic toxidrome
SLUDGE/DUMBELS
oraganophosphates
neve gases like sarin & Vx
SLUDE/DUMBELS
cholinergic toxidrome/organiophosphates
defecation (GI distress/emesiss)
nerve gas s/s
cholinergic toxidrome
SLUDGE/DUMBELS
Vx s/s
cholinergic toxidrome
SLUDGD/DUBELS
DUMBBELS
diarrhea urination miosis bronchorrhea bronchospasm emesis lacrimination laxation sweating
other s/s of nerve gas & organophosphates
SLUDGE/DUMBBELS
nicotinic stimulation = tachycardiat, HTN, fasciculations, paralysis of respiratoyr muscles
death from nerve gas/organophosphates
paralysis of respirtory muscles
treat organophosphate overdose
atropine to decrease aireay secreations
pralidoxime
2-PAM (crowbar organophophate off of ACh)
benzos for seizures
how does 2-PAM work
crowbar that takes the organophosphate off of ACh
*for organophosphate/nerve agent/cholinergic
atropine overdose
anticholinergic
benadryl overdose
anticholinergic
tricyclic antidepressant overdose
anticholinergic
`mad as a hatter….
anticholinergic overdose
anticholinergic toxierome s/s
mad as a hatter - AMS blind as a bat -mydrisasis red as a beet hot as a hare dry as a bone
rx for anticholinergic overdose
benadryl/atropine, tricyclic antidpressants…
atropine for secreations
physostigimine pushed 1mg/min
most important intervention for poisionings/overdose
revert back to ABC & antidote