Mehl. Drug intoxication 03-28 (1) Flashcards
exported from peds failo, suziureta pagal IM/psych
M. Glue? CP
Ataxia + cognitive decline in teenager.
M. Glue. Will sound a bit like alcohol abuse but the effects of alcohol don’t occur so young.
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M. Paint. Decline of what?
Cognitive decline
M. Paint. What CP is seen?
Q can say teenager is seen with gold or silver coloration around the nose/mouth.
M. Butane (inhalant). Decline of what?
Cognitive decline.
M. Butane (inhalant). classic inhalation of what? 2
Classically inhaling computer cleaner (dusters) or whipped cream bottles.
M. Butane (inhalant).
Q will say high schooler found on floor in school bathroom + is brought into ED sluggish {vangus} + pupils and vitals all normal. Dx?
butane
M. Most common drug addiction in the world.
Caffeine
M. caffeine mechanism?
Adenosine accumulates in the brain throughout the day and causes sense of fatigue.
Caffeine blocks adenosine receptors, promoting sense of wakefulness.
M. caffeine intoxication CP?
Intoxication can cause sense of over-stimulation, panic, and palpitations.
M. caffeine withdrawal CP?
Withdrawal can cause headache, sense of depression, fatigue, anxiety (i.e., sense of worry/doom), and inability to concentrate
M. smoking/vaping. cause what feeling?
Nicotine can promote sense of euphoria
M. smoking/vaping. Withdrawal CP?
Withdrawal can cause many symptoms, including anxiety, depression, difficulty concentrating, and weight gain due to increased appetite.
M. Marijuana. CP?
Injection (redness) of conjunctivae + dry mouth.
M. Marijuana. incr. of what CP?
incr. risk of developing psychosis and schizophrenia.
M. Cocaine. CP?
Mydriasis, tachycardia.
M. Cocaine. can cause what cardiac pathology?
High BP causing aortic dissection; can cause chest pain (coronary vasospasm). gali dar MI sukelti
M. Cocaine. in pregnant?
Abruptio placentae if pregnant teens
M. Cocaine. Tx?
Give benzo if acutely intoxicated + observe in emergency
M. Amphetamine. CP?
Mydriasis, agitation, INSOMNIA / staying up all night.
Can cause tactile hallucinations.
M. Amphetamine. Tx?
Give benzo if acutely intoxicated + observe in emergency.
M. PCP. CP?
Bellicosity / pugnacity (if you’re ESL, those mean wanting to fight + aggressive).
NYSTAGMUS +/- mydriasis.
M. PCP.
One 2CK NBME Q gives mutism + constricted pupils for PCP + nothing about pugnacity, so just be aware this presentation is rare but possible.
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M. PCP. Tx?
Give benzo if acutely intoxicated + observe in emergency.
M. MDMA (ectasy). CP
Euphoria, heightened sensory perception, low-grade fever, bruxism (teeth grinding).
M. MDMA (ectasy).
An NBME Q floating around gives increased creatine kinase, so this is also possible.
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M. MDMA (ectasy). Tx?
Give benzo if acutely intoxicated + observe in emergency.
M. LSD (acid). CP?
Visual hallucinations.
M. LSD (acid). Tx?
- Give benzo if acutely intoxicated + observe in emergency.
M. MPTP. synthetic heroin.
Causes what CP?
- Synthetic heroin.
- Causes Parkinsonism.
- Shows up on a 2CK form, so if you think it’s weird, take it up with NBME, not me.
M. Heroin/opioids. E.g., oxycodone or dextromethorphan. CP?
Respiratory depression + constricted pupils + constipation.
M. Heroin/opioids. Tx for ACUTE?
Naloxone (opioid receptor antagonist) for acute toxicity.
M. Heroin/opioids. Tx TO DECREASE RELAPSE?
Methadone (opioid receptor agonist) to ̄ relapses.
M. BZD. CP?
Respiratory depression.
M. BZD. Antidote?
Flumazenil to treat acute toxicity (benzodiazepine receptor antagonist).
M. Barbiturates. CP?
Respiratory depression
M. Barbiturates.
Q will say naloxone and flumazenil had no effect, so you eliminate to get to barbiturates.
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M. Acetaminophen. CP?
Fulminant liver failure.
M. Acetaminophen. What about charcoal?
Give activated charcoal if ingested within 1-2 hours.
M. Acetaminophen. Antidote?
N-acetylcysteine must be given after to regenerate reduced glutathione to prevent liver damage from NAPQI (acetaminophen metabolite).
M. Aspirin. CP?
Tinnitus + mixed metabolic acidosis-respiratory alkalosis.
M. Aspirin. Tx?
Give sodium bicarb to treat ( excretion through urinary alkalinization).
M. TCAs. CP?
CCCs (coma, convulsions, cardiotoxicity).
M. TCAs. ECG changes?
ECG changes seen frequently in vignettes. For example, you’ll get a big vague paragraph about some drug overdose + they say in last line QT is prolonged.
answer = the TCA. Then you remind student about cardiotoxicity and they’re like Oh yeah.
M. TCAs. What additional effect?
Anti-cholinergic effects (i.e., delirium + hot, red, dry patient).
M. Parkinsonism Cp?
diffuse stiffness + drooling;