6 - Toxicology Flashcards

1
Q

Antimuscarinic poisoning

A
HOT as hare (hyperthermia)
DRY as bone (decreased secretion)
RED as beet (cutaneous vasodilation)
BLIND as a bat (cyclopegia)
MAD as hatter (CNS toxicity)

Physostigmine

  • may be helpful
  • NOT for tricyclic overdose
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2
Q

Cholinomimetics

Organophosphate poisoning

A

DUMBBELSS

  • diarrhea
  • urination
  • miosis
  • bronchospasm
  • bradycardia
  • excitation (skeletal muscle and CNS)
  • lacrimation
  • sweating
  • salivation

Pralidoxime + atropine

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3
Q

Opioids

A

PCR

  • pupillary constriction
  • comatose state
  • respiratory depression

Naloxone

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4
Q

Aspirin poisoning

Salicylates

A

CHAFS

  • coma
  • hyperventilation
  • acidosis (HAGMA)
  • fever
  • seizures

Correct acidose and fluid and electrolyte imbalance
Alkaline diuresis or hemodialysis to aid elimination

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5
Q

Sedative-hypnotic poisoning

A

Hot Hot Hot DeCisioN

  • hypothermia
  • hypotension
  • hypoactive BS
  • disinhibition
  • coma
  • nystagmus
  • consider flumanezil for benzodiazepine overdose
  • airway and respiratory support
  • avoid fluid overload
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6
Q

TCA overdose

A

3Cs

  • coma
  • convulsion
  • cardiotoxicity
  • control seizures
  • correct acidosis and cardiotoxicity with sodium bicarbonate
  • give NE for hypotension
  • control hyperthermia
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7
Q

Dimercaprol

A
  • chronic lead (+ EDTA in calcium disodium salt for severe cases)
  • acute mercury (DO NOT give in chronic - may redistribute to CNS)
  • arsenic
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8
Q

Deferoxamine

A

Iron

  • thalassemia
  • myelodysplastic syndrome sucks
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9
Q

Succimer

A

Oral

  • OPD patients chronic lead
  • acute mercury
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10
Q

Unithiol

A

Chronic mercury

  • with succimer
  • do not give dimercaprol - may redistribute to CNS
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11
Q

Mee’s line

A

Arsenic

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12
Q

Sweet garlicky odor in breath and stools

A

Arsenic

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13
Q

Erethism

A

Mercury

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14
Q

Minamata disease

  • cerebral palsy
  • deafness
  • blindness
  • mental retardation
A

Organic Mercury

- fish and grains containing methylmercury

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15
Q

Blood level of LEAD to be able to give succimer

A

Greater than 45 mcg/dL

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16
Q

Penicillamine

A
  • chelates copper
  • copper toxicity
  • Wilson’s disease
  • adjunctive therapy in gold
  • arsenic and lead
17
Q

To prevent dangerous hypocalcemia, EDTA is given as

A

Calcium disodium salts

18
Q

Odorless, colorless gas

A

Carbon monoxide

- give 100% O2

19
Q

Accelerates clearance of CO

A

Hyperbaric oxygen

20
Q

Colorless, irritating gas from combustion of fossils

A

Sulfur dioxide

21
Q

Bluish irritant gas produced in air and water purification devices and in electrical fields

A

Ozone

22
Q

Brownish irritant gas formed in fires and silage on farms

A

Nitrogen oxide

23
Q

Aliphatic hydrocarbons

A

CCTT

  • chloroform
  • carbon tetrachloride
  • trichloroethylene
  • trichloroethane
24
Q

Aliphatic carbons that cause peripheral neuropathy

A
  • trichloroethylene

- trichloroethane

25
Q

Aromatic hydrocarbons

A
  • benzene
  • toluene
  • xylene
26
Q

Long-term exposure to benzene can cause

A
  • hematotoxicity

- hematologic cancers

27
Q

Botanical insecticides

A

PRN

  • pyrethrum
  • rotenone
  • nicotine
28
Q

Most widely used herbicide in the world

A

Glyphosate

29
Q

Bipyridil herbicide used to kill weeds and for highway maintenance

A

Paraquat

30
Q

Chlorphenoxy acids

A
  • 2,4 - diphenoxyacetic acid

- 2,4,5 - triphenoxyacetic acid

31
Q

Long-term exposure to chlorophenoxy acids can cause

A

Non-Hodgkin Lymphoma

32
Q

Environmental pollutant

Source: electrical equipment

A

Polychlorinated biphenyls

33
Q

Environmental pollutant

Source: chemical

A

Dioxins

- cystic acneiform

34
Q

Environmental pollutant

Source: manufacturing and building

A

Asbestos

- mesothelioma

35
Q

Causes of increased stool osmolar gap

A

MEDIE

  • methanol
  • ethanol
  • diuretics
  • Isopropyl alcohol
  • Ethylene glycol