Thursday, September 15, 2011
Monday, September 12, 2011
Toxidromes
What is a toxidrome
It is the association of several clinically recognizable features, signs, symptoms, phenomena or characteristics which often occur together, so that the presence of one feature alerts the physician to the presence of the others.
The cholinergic toxidrome
Syndrome
|
Signs &Symptoms
|
Poisons
|
Antidote
|
Cholinergic SLUDGE
|
• Salivation
• Lacrimation
• Urination
• Diarrhoea
• GI cramps
• Emesis
• Wheezing
• Diaporesis
• Bronchorrhoea
• Bradycardia
• Miosis
|
• Carbamate
• Organophosphates
• Physostigmine
• Pilocarpine
|
• Atropine
• Pralidoxime for organophosphates
|
The anticholinergic toxidrome
Syndrome
|
Signs &Symptoms
|
Poisons
|
Antidote
|
Anticholinergic
Hot as a hare
Dry as a bone
Red as a beet
Mad as a hatter
Blind as a bat
|
• Mydriasis
• Blurred vision
• Fever
• Dry skin
• Flushing
• Ileus
• Urinary retention
• Tachycardia
• Hypertension
• Psychosis
• Coma
• Seizures
• Myoclonus
|
• Antihistamines
• Atropine
• Baclofen
• Benztropine
• Tricyclic
antidepressants
• Phenothiazines
• Propantheline
• Scopolamine
|
• Physostigmine
(do not use in
cyclic antidepressant overdose as will worsen conduction disturbances)
|
Hallucinogenic Sympathomimetic toxidrome
Syndrome
|
Signs &Symptoms
|
Poisons
|
Antidote
|
Hallucinogenic
|
• Disorientation
• Hallucinations
• Hyperactive Bowel
• Panic
• Seizure
• Tachycardia
• Hypertension
• Tachypnoea
|
• Amphetamine
• Cocaine
• Pseudoephedrine
• Phencyclidine
• Ephedrine
|
• Benzodiazepines
|
Sedative/hypnotic toxidrome
Syndrome
|
Signs &Symptoms
|
Poisons
|
Antidote
|
Sedative / hypnotic
|
• Stupor & coma
• Confusion
• Slurred speech
• Apnoea
|
• Anticonvulsants
• Antipsychotics
• Barbiturates
• Benzodiazepines
• Ethanol
• Meprobamate
• Opiates
|
• Naloxone
• Flumazenil
• Urinary alkanisation for Phenobarbital
|
Opiate toxidrome
Syndrome
|
Signs &Symptoms
|
Poisons
|
Antidote
|
Narcotic
|
• Altered mental status
• Slow shallow breaths
• Meiosis
• Bradycardia
• Hypotension
• Hypothermia
• Decreased bowel sounds
|
• Dextromethorphan
• Opiates
• Pentazocine
• Propoxyphene
|
• Nalaoxone
|
Serotonergic syndrome
Syndrome
|
Signs &Symptoms
|
Poisons
|
Antidote
|
Serotonergic
|
• Irritability
• Hyperreflexia
• Flushing
• Diarrhoea
• Diaphoresis
• Fever
• Trismus
• Tremor
• Myoclonus
|
• Fluoxetine
• Meperidine
• Paroxetine
• Trazodone
• Clomipramine
|
• Benzodiazepine
|
Posted by prof. a.j. patowary at 9:22:00 PM 0 comments
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