EM Toxicology 4 (MC 2) Flashcards
most common agents associated with anterograde amnesia
lorazepam, midazolam, triazolam
most common symptom reported after cyclic antidepressant exposure
altered mental status
most common metabolic toxic effect of methylxanthine toxicity
hypokalemia
most common [unique] adverse effect associated with naloxone
piloerection
yawning
rhinorrhea
most important factor contributing to patient mortality in cyclic-antidepressant toxicity
cardiotoxicity
most common ECG abnormality with trazodone
moderate prolongation of QT interval
most common cause of chronic metal poisoning
lead
most common radiologic finding in hydrocarbon aspiration
bilateral infiltrates at the bases
most common cause of death in acute arsenic toxicity
hypotension and dysrhythmias
most rapid onset of symptoms with organophosphate poisoning is associated with what mechanism of exposure
inhalation
most important steps for opioid intoxication
airway protection and ventilatory assistance
most common symptom in trazodone toxicity
CNS depression
most important adverse reaction to macrolide
QT-interval prolongation with potential for torsades de pointes
most frequent cause of death in amphetamine (MDMA)
hyperthermia and hyponatremia
most common cause of death in serotonin syndrome
hyperthermia
most frequent adverse effect of chronic lithiumm therapy
fine postural hand tremor
fatigue
polyuria
hypothyroidism
hyperparathyroidism
hypercalcemia
most common jse of ethylene glycol
coolant (anti-freeze)
most effective antiarrhythmics for treating ventricular dysrhthmias
lidocaine and procainamide
remarks on trazodone
most common agent associated with priapism
class
-serotonin modulators; works by increasing the amount of serotonin
-serotonin (5-HT2) receptor antagonists (together with nefazodone
uses: MASH
MDD
Anxiety disorders
Sleeping aid
Hypnosis
CNS DEPRESSINO
-m/c symptom in toxicity
remarks on biperiden
class: nonselective cholinergic antagonist at muscarinic site
(with benzotropine and trihexyphenidyl)
uses:
parkinson disease
(tremors are d/t relative excess of cholinergic activity)
S/E of biperiden
drowsiness, inattention, confusion
delusion, hallucinations
atropine-like effects
-dry mouth
-urinary retention
-constipation
