Transcript Chapter 18

Chapter 18
Poisoning
Types of Poisons
• Ingested (swallowed)
• Through the mouth
• Inhaled (breathed)
• Through the lungs
• Absorbed (contact)
• Through the skin
• Injected
• Through needlelike device
Ingested (Swallowed) Poisons
• Occurs when victim swallows toxic
substance
• Most poisonings happen by ingestion.
• Common among children
• Some substances can block airway.
• Analgesics are most common poisoning.
• Most exposures to plants are minor.
Recognizing Ingested Poisons
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Abdominal pain, cramping
Nausea or vomiting
Diarrhea
Burns, stains, odor near or in mouth
Drowsiness or unresponsiveness
Poison containers nearby
Care for Ingested Poisons (1 of 3)
• Determine
• Age and size of victim
• What and how much poison ingested
• When it was taken
• If corrosive or caustic, have victim sip cold
water or milk.
• Responsive victim, call Poison Control Center
at 800-222-1222
• Can advise if medical care is needed
Care for Ingested Poisons
(2 of 3)
• Unresponsive victim,
call 9-1-1
• Place victim in
recovery position.
• Do not induce
vomiting.
• Give activated
charcoal if advised.
Care for Ingested Poisons
(3 of 3)
• Activated charcoal
• Black powder that binds to poison
• Does not absorb all drugs well
• Save containers, plants, and vomit
Alcohol Intoxication
• Alcohol is a depressant.
• Most commonly abused drug in US.
• Often implicated as cofactor in other
types of accidents
• Can cause belligerent, combative
behavior
• Can be life-threatening
• Take condition seriously
Recognizing Alcohol
Intoxication
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Odor of alcohol
Unsteadiness, staggering
Confusion
Slurred speech
Nausea and vomiting
Flushed face
Seizures can also result.
Care for Alcohol Intoxication
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Look for injuries.
Monitor breathing.
Recovery position
Call poison control center at 800-222-1222.
If victim becomes violent, leave scene and
await police.
• Provide emotional support.
• If victim is unresponsive, await EMS.
• Move person to a warm place.
Drug Emergencies
• Drug classifications:
• Uppers (stimulants)—amphetamines,
cocaine, caffeine
• Downers (sedative-hypnotic)—
barbiturates, tranquilizers, marijuana,
narcotics
• Hallucinogens—LSD, mescaline, peyote,
PCP
• Volatile chemicals—glue, cement, paint
solvent, gasoline, spray paint, nail polish
remover
Sympathomimetics
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Stimulants (“uppers”)
Produce excitement
Amphetamines, methamphetamines
Taken by mouth or injected
Cocaine
Crack
Recognizing Sympathomimetic
Use
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Disorganized behavior
Hyperactivity
Restlessness
Anxiety or great fear
Paranoia
Delusions
Care for Sympathomimetic
Users
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Check breathing.
Call poison center or 9-1-1.
Check for injuries.
Place in recovery position.
Give reassurance, emotional support
If violent, seek safety until police arrive.
Seek medical care.
Hallucinogens
• Produce changes in mood,
sensory awareness
• Hear colors, see sounds
• Cause hallucinations, bizarre
behavior
• Protect user from hurting self
Recognizing Hallucinogen Use
• Visual hallucinations
• Intensity of vision and
hearing
Care for Hallucinogen Use
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Check breathing.
Call poison center or 9-1-1.
Check for injuries.
Place in recovery position.
Give reassurance, emotional support
If violent, seek safety until police arrive.
Seek medical care.
Marijuana
• Flowering hemp plant
• Estimated 20 million
people use marijuana
daily in US
Recognizing Marijuana
Overdose
• Euphoria, relaxation, drowsiness
• Short-term memory loss
• Impaired capacity for complex
thinking and work
• Depression, confusion
• Altered perception of time
• Anxiety, panic
• Hallucinations
Care for Marijuana Overdose
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Check breathing.
Call poison center or 9-1-1.
Check for injuries.
Place in the recovery position.
Give reassurance, emotional support
If violent, seek safety until police arrive.
Seek medical care.
Depressants
• Often prescribed as part of legitimate
medicine
• People may solicit prescriptions from
several physicians.
• Includes:
• Opiates (narcotics)
• Sedative hypnotics (barbiturates
and tranquilizers)
Recognizing Sedative-Hypnotic
Drug Use
• Drowsiness, sleepiness
• Slurred speech
• Slow breathing rate
Opiates
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Pain relievers named for opium
Heroin, codeine, morphine
Frequently abused
Addicts may start with
appropriate prescription
Recognizing Opiate Overdose
• Reduced breathing rate
• Pinpoint pupils
• Sedated condition,
unresponsiveness
Care for Depressant Overdose
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Check breathing.
Call poison center or 9-1-1.
Check for injuries.
Place recovery position.
Give reassurance, emotional support
If violent, seek safety until police arrive.
Seek medical care.
Abused Inhalants
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Glue, gasoline, lighter fluid, nail polish
Similar effects to alcohol
Can die of suffocation
Can change heart rhythm
Can cause permanent brain damage
Recognizing Abused Inhalant
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Mild drowsiness, unresponsiveness
Slurred speech, clumsiness
Seizures
Slow breathing rate
Smell of solvents
Care for Abused Inhalant
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Check breathing.
Call poison center or 9-1-1.
Check for injuries.
Place in recovery position.
Give reassurance, emotional support
If violent, seek safety until police arrive.
Seek medical care.
Carbon Monoxide Poisoning
• Leading cause of poisoning death in US each
year
• Invisible, tasteless, odorless, colorless,
nonirritating gas
• Can be unintentional poisoning or suicide
• Can occur in older car, extended time in
running car, or from faulty furnaces, water
heaters, kerosene heaters
• Causes hypoxia
Recognizing Carbon Monoxide
Poisoning (1 of 2)
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Headache
Ringing in ears
Chest pain
Muscle weakness
Nausea and vomiting
Dizziness and visual changes
Unresponsiveness
Respiratory and cardiac arrest
Recognizing Carbon Monoxide
Poisoning (2 of 2)
• Symptoms come and go.
• Symptoms worsen and
improve in certain places
and at certain times.
• Nearby people have similar
complaints.
• Pets seem ill.
Care for Carbon Monoxide
Poisoning
• Remove victim from environment
immediately.
• Call 9-1-1.
• EMS can give 100% oxygen for 30 or 40
minutes to reverse CO poisoning.
• Monitor breathing.
• Place unresponsive, breathing victim in
recovery position.
• Seek medical care.
Plant-Induced Dermatitis
(1 of 2)
• Poison ivy, poison
oak, poison sumac
• 15-25% of exposed
people will have
incapacitating
swelling, blisters
• Oil oozes out from
plant when brushed.
Plant-Induced Dermatitis
(2 of 2)
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Oil not visible on human skin
Spread by direct contact
Can stay active for months or years
Smoke from burning plants can cause
severe dermatitis
• Difficult to identify plants
• Leaves grow in groups of three
Recognizing Plant-Induced
Dermatitis
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Rash
Itching
Redness
Blisters
Swelling
The greater the amount of skin affected,
the greater the need for medical care.
• Onset usually occurs 1-2 days after
contact.
Care for Plant-Induced
Dermatitis
• Clean skin with soap and cold water as
soon as possible.
• Apply rubbing alcohol liberally, then
remove with water.
• Lukewarm bath and colloidal oatmeal
• Wet compresses with aluminum acetate
• Calamine lotion or baking soda paste
• Corticosteroid ointment and oral
corticosteroid
Stinging Nettle
• Plant with stinging hairs on stem
and leaves
• Stinging hair is touched
• Fine needlepoint penetrates skin
• Injects chemical irritant
Recognizing Stinging Nettle
Poisoning
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Can affect anyone
Effects limited to exposed area
Immediate response
Redness
Rapid, intense burning
Itching
Reaction lasts hours, not days
Care for Stinging Nettle
Poisoning
• Wash exposed area with soap and
water.
• Apply:
• Cold, wet pack
• Colloidal oatmeal, hydrocortisone
cream, or calamine lotion
• Over-the-counter antihistamine