Causes of Lead poisoning
List of causes of Lead poisoning
Following is a list of causes or underlying conditions
(see also Misdiagnosis of underlying causes of Lead poisoning)
that could possibly cause Lead poisoning includes:
- Lead foreign objects in body
Lead poisoning Causes: Book Excerpts
What causes Lead poisoning?
Article excerpts about the
causes of Lead poisoning:
Lead Poisoning: NIEHS_1 (Excerpt)
Lead is all around us in paint, batteries,
drinking water, and pottery and other ceramic dishes that are hand glazed.
Before leaded gasoline was banned, tons of lead from engine exhaust were
emitted into the air we breathe. Lead in paint has also been banned, but
exposure can occur in houses that are more than 20 years old. The problem
here is when the paint flakes off and small children pick it up. Of
course, it goes right to the mouth and because it tastes sweet, the child
looks for more. If the paint is not flaking, there is no need to remove
it. For peace of mind, one can paint over the lead-based paint to reduce
the chance of exposure. In 1986, the use of lead solder for plumbing was
also banned. (Source: excerpt from Lead Poisoning: NIEHS_1)
Lead Poisoning: NIEHS_1 (Excerpt)
Try to determine where and how your child is being
exposed to lead. Have your local health department check the lead level in
your tap water, especially if your house was built before 1986. if there
are small amounts of lead in your tap water, let the water run for a
couple of minutes before drawing water for drinking or cooking. Do the
children put jewelry or printed matter in their mouth? Are the toys and
materials like crayons made in the U.S.? Some countries are not as
stringent as the U.S. in regulating the lead content in consumer products.
Is there an old battery or car radiator in the garage that the child
sometimes plays with? Have the soil and play areas tested for lead.
Eliminating the source of lead, is the most important thing you can
do. (Source: excerpt from Lead Poisoning: NIEHS_1)
Medical news summaries relating to Lead poisoning:
The following medical news items are relevant to causes of Lead poisoning:
Related information on causes of Lead poisoning:
As with all medical conditions,
there may be many causal factors.
Further relevant information on causes of Lead poisoning may be found in:
Causes of Lead poisoning: Online Medical Books
16 MEDICAL BOOKS ONLINE!
Review excerpts from medical books online, free, without registration,
for more information about the causes of Lead poisoning.
Poisonous snakebites:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
Of the approximately 45,000 snakebites that occur in the United States each year, 7,000 to 8,000 are from poisonous snakes, resulting in 5 to 6 deaths. Such bites are most common during summer afternoons in grassy or rocky habitats.
Pit vipers are nocturnal but active snakes that are responsible for 99% of venomous snake bites in the United States. Coral snakes are also nocturnal, but their placidity makes coral snake bites less common than pit viper bites. Coral snakes tend to bite with a chewing motion, and may leave multiple fang marks, small lacerations, and extensive tissue destruction.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
Snakebites, poisonous:
Causes
(Handbook of Diseases)
The only poisonous snakes in the United States are pit vipers (Crotalidae) and coral snakes (Elapidae). Pit vipers include rattlesnakes, water moccasins (cottonmouths), and copperheads. They have a pitted depression between their eyes and nostrils and two fangs, ¾" to 1¼"nbsp;(2 to 3 cm) long. Because fangs may break off or grow behind old ones, some snakes may have one, three, or four fangs.
Because coral snakes are nocturnal and placid, their bites are less common than pit viper bites; pit vipers are also nocturnal but are more active. The fangs of coral snakes are short but have teeth behind them. Coral snakes have distinctive red, black, and yellow bands (yellow bands always border red ones), tend to bite with a chewing motion, and may leave multiple fang marks, small lacerations, and much tissue destruction.
» READ BOOK EXCERPT ONLINE »
Source: Handbook of Diseases, 2003
Lead Poisoning:
Lead Poisoning - pathophysiology
(The 5-Minute Pediatric Consult)
- Lead adversely affects many organ systems including neurologic, hematologic, GI, renal, and reproductive systems. Many of the toxic effects result from inhibition of enzymes involved in heme biosynthesis, as the electropositive metal binds to the negatively charged sulfhydryl groups on the active sites of δ-aminolevulinic acid dehydratase (ALA-D), ferrochelatase, porphobilinogen synthase, coproporphyrinogen oxidase, and other enzymes. Divalent lead also acts competitively with calcium in various biologic systems.
- Children absorb lead more efficiently from the GI tract and are more likely than adults to ingest lead through hand-to-mouth activities.
- Because the developing, immature CNS is susceptible to the toxic effects of lead, the neuropsychologic effects of lead poisoning on young children have been of particular concern.
» READ BOOK EXCERPT ONLINE »
Source: The 5-Minute Pediatric Consult, 2008
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