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SPIDER BITES Tyler Latham Block 4

Spider Bites

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Tyler Latham. Spider Bites. Block 4. Causes. A spider bite is an injury caused by the bite of a spider. When a spider bites it releases venom into the victim, which can be life threatening. The venom of a spider may have necrotic agents in it. - PowerPoint PPT Presentation

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Page 1: Spider Bites

SPIDER BITESTyler Latham

Block 4

Page 2: Spider Bites

Causes A spider bite is an injury caused by the

bite of a spider. When a spider bites it releases venom

into the victim, which can be life threatening.

The venom of a spider may have necrotic agents in it.

A necrotic spider bite may cause premature death of cells in the victim.

Page 3: Spider Bites

Causes(continued) Spider bites may also contain

neurotoxins which attack neurons and often severely damage them.

Neurotoxins may also interfere with neuron signaling, which can result in the sending of false signals.

Page 4: Spider Bites

Signs and SymptomsDepending on the species of spider,

symptoms of a bite can include: Pain. Dizziness. Fever. Nausea. Vomiting. Loss of consciousness. Inflammation around the wound. Two puncture marks at wound.

Page 5: Spider Bites

Treatment Clean the bite with soap and water. Cold packs may be applied to the bite to

reduce pain and inflammation. Keep bite elevated if possible. Take pain relievers if needed. Depending on the species of spider that

inflicted the bite, you may need to receive an antivenom.

Page 6: Spider Bites

Prevention Wear a long-sleeved shirt and gloves when

handling stored items or when cleaning sheds, garages, basements, etc.

Use insect repellents. Install tight-fitting screens or seals on

windows and doors to prevent spiders from entering the home.

Remove piles of rocks or lumbar from the vicinity of your house to lessen contact with spiders.

Page 7: Spider Bites

Necrotic Spider Bites

Page 8: Spider Bites

Brown Recluse Spider Bites

Page 9: Spider Bites

Bibliography "File:Tissue Necrosis following Bite from Bothrops Asper

PLoS Medicine.jpg." Wikipedia, the Free Encyclopedia. Web. 12 Feb. 2012.

"It’s the Spiders, Stupid! « Global Warming: Man or Myth?" Global Warming: Man or Myth? Web. 12 Feb. 2012.

"Spider Bites." Web. 12 Feb. 2012. Staff, Mayo Clinic. "Spider Bites: Prevention -

MayoClinic.com." Mayo Clinic. Web. 12 Feb. 2012. Staff, Mayo Clinic. "Spider Bites: Treatments and Drugs -

MayoClinic.com." Mayo Clinic. Web. 12 Feb. 2012. "Symptoms of Spider Bites - RightDiagnosis.com." Right

Diagnosis. Web. 12 Feb. 2012. "What Is a Neurotoxin?" WiseGEEK: Clear Answers for

Common Questions. Web. 12 Feb. 2012.