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Pediatric Toxicology. M Waseem, MD Lincoln Hospital Bronx New York. Epidemiology. 2 million calls 52% of poison center calls < 6years Peak age 18 months - 3 years. Epidemiology. Unintentional (1-2 years) Exploratory Boys > girls Intentional (adolescent) Purposeful Girls > boys.
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Pediatric Toxicology M Waseem, MD Lincoln Hospital Bronx New York
Epidemiology • 2 million calls • 52% of poison center calls < 6years • Peak age 18 months - 3 years
Epidemiology • Unintentional (1-2 years) • Exploratory • Boys > girls • Intentional (adolescent) • Purposeful • Girls > boys
Children are different • Unable to discriminate safe from unsafe liquid • Fail to recognize the suitability of the drink
Epidemiology • Around Meal time • Grand parents home • Kerosene or gasoline in a soda bottle • Older sibling can pharmaceutically treat younger sibling
Very toxic! • Prenatal vitamin supplements • Antidepressants • Hydrocarbons
Most often reported • Cleaning products 10.4% • Analgesics 10.3% • Cosmetics 9% • Cough & cold preparation 5.1% • Insecticides 4%
ICU Admission • TCA • Anticonvulsants • Digitalis • Opiates • Hydrocarbon-based house-hold products
Toxic Exposures/Death • Analgesics • Sedative-hypnotics • Alcohols • Gases & fumes • Cleaning substances
Fatal Sip • Camphor (100mg/kg) 1gm/5 ml • Methyl Salicylate 1.4gm/ml (200 mg/kg) 1/2 tsp
Fatal Sip • Benzocaine 2 ml • Methemoglobinemia • Seizure
Malignant Swallow • Chloroquine (20 mg/kg) 500 mg • Theophylline (8.4 mg/kg) 500 mg • Imipramine (15 mg/kg) 150 mg • Chlorpromazine (25 mg/kg) 200 mg
Malignant Swallow • Clonidine 0.3 mg tablet • Bradycardia • CNS depression
Highly Toxic • Acetonitrile • Ammonium Fluoride • Benzocaine • Camphor • Pennyroyal Oil
Acetonitriles • Artificial Nail Tip remover • Methemolobinemia • Delayed presentation (4-12 hours) • Must be hospitalized
Ammonium Fluoride • Glass etching, de-rusting and wheel cleaning commercial products • Armoral Quick Silver Wheel cleaner (17% ammonium fluoride) • only 2 ml
Ammonium Fluoride • Inactivates proteolytic & glycolytic enzymes • Binds with Ca & Mg • Acidosis, Dysrhythmia & coagulopathy • Direct effect on CNS • Seizures
Benzocaine • Teething gels (Orajel), first aid cream hemorrhoidal preparations • Methemoglobinemia • < 6 months (methemoglobin reductase)
Camphor • Vicks VapoRub • Only 5 ml • CNS effects
Pennyroyal Oil • Health food products, herbal preparations • Depletes glutathione • Toxicity to liver & lung • < a teaspoon • A tablespoon (fatal)
Look-Alike, Sound-A-Like • Albuterol Atenolol • Celebrex Cerebrex • Oruvail Elavil • Lamictal Lomotil • Lotrimin Lotensin • Plendil Pindolol
Look-Alike, Sound-A-Like • Hydralazine Hydroxyzine • Hydrocodone Hydrocortisone
Digitalis Effects • Lily-of-the-valley • Foxglove • Oleander • Yew
Nicotinic Effects • Poison hemlock
Atropinic Effects • Jimsonweed
Non-Toxic Products • Ball point ink • Bubble bath soaps • Candles (beeswax or paraffin) • Chalk • Cigarettes (< 3 butts) • Crayons
Non-Toxic Products • Deodorants • Lipstick • Pencil (graphite) • Toothpaste • Water colors
Evaluation • History of poisoning • Toxicologic physical examination • Laboratory studies • Gastrointestinal decontamination
History • What? • When? • How much?
What ? • Medication • Illicit drug • Hazardous chemical
What form? • Pill • Solid • Liquid • Gaseous
What route ? • Ingestion • Inhalation • Topical • Intravenous
When ? • Elapsed time
How much ? • Estimate amount • Concentration
Bradycardia • Digoxin • Narcotics • Organophosphates • Carbon monoxide • Beta-blocker
Tachycardia • Alcohol/amphetamine • Atropine/tricyclic • Theophylline • Salicylates, Iron • Cocaine/PCP
Slow Respiration • Alcohol • Narcotics • Clonidine • Sedatives
Tachypnea • Amphetamines • Salicylates • Carbon monoxide
Hypotension • Methemoglobinemia • Carbon monoxide • Cyanide • Iron • Narcotics
Hypertension • OTC cold remedies • Amphetamine • PCP • TCA • Cocaine
Ventricular Tachycardia • Amphetamines • Carbamzepine • Chloral hydrate • Cocaine • Digitalis • Theophylline
Torsades de Pointes • Chloral hydrate • Cisapride • Organophosphates • Terfenadine • Phenothiazines
Hypoglycemia (HOBBIES) • H-Hypoglycemia • O-Oral hypoglycemic agents • B-Beta-Blockers • I-Insulin • E-Ethanol • S-Salicylates
Hypothermia • Ethanol • Narcotics • Carbon monoxide
Hyperpyrexia • Atropine • Salicylates • Theophylline • Cocaine • TCA
Coma • Narcotic • Anticholinergic • Carbon monoxide