Staph & Strep.txt
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Characteristics of staph
- Produces pus
- Easily survives heat, drying and many chemicals
- Survive several months in dried pus and sputnum
- More antibiotic resistance developing
What is any staph infection called?
Product of staph that destroys blood cells and tissue
Main cause of death from staph infection
Due to blood cell destruction
Proteins that disrupt the cell membranes of tissues and WBCs
Proteins that stimulate intestinal muscle contraction, yielding nausea with intense vomiting.
Toxin proteins easily absorbed into the blood stream
TSS- toxic shock syndrome toxin
Proteins that dissolves epidermal desmosomes causing skin cells to slough
Reddening of the skin, beginning near the mouth, spreading over the entire body followed by blisters filled with clear fluid
SSS- scalded skin syndrome
List 5 staph skin infections
- Boils (furuncles)
Staph traveling through the body will affect other what?
Organs and tissues (can shut down the kidneys)
What causes impetigo contagiosa?
Staph, strep or both
Charact of impetigo contagiosa:
- Highly communicable
- Skin lesions are pus filled with bacteria and WBCs in them
- Lesions will become dark and encrusted
- May leave scarring
- Treated with topical antibiotics
Toxins traveling through the blood or tissue yielding infections in other area
Name 5 systemic infections
Endocarditis, menengitis, encephalitis, cystitis and nephritis.
Staph bacteria and toxins in the blood stream
Two ways septicemia may be acquired
- 1) primary- staph is directly injected into the blood
- 2) secondary- staph leaks into the blood from another infection (tooth)
Two forms of staph septicemia:
- Rapid progression- profound toxemia with death within a few days
- Slow progression- most frequent. Spreads slowly throughout the body
What is staphylococcal food poising caused by?
- Staph. aureus
- (also called enteritis and enterocolitis)
- Symptoms appear within 2-4 hours and may last up to 48 with profuse diarrhea and vomiting
Staphylococcal food poisoning is caused by what?
Staphylococcal food poisoning transmissions include:
- Handled foods
- Sneezing upon food
- Improper refrigeration
- Undercooking food
- Foods at room temp too long
Caused by strep, staph and diphtheria.
TSS - toxic shock syndrome
TSS disease course
- Incubates in 12-24 hrs
- Sudden onset high fever, vomiting and diarrhea
- BP begins to drop
- SSS may occur
A collection of symptoms
Name 7 forms of resistant staph aureus
- mrsa- methicillin
- vrsa- vancomycin
- irsa- intermediate
- ca-mrsa- community aquired
- E-mrsa- epidemic
- lrsa- linazolid
- visa- vancomycin intermediate
What is varicella?
MRSA + chicken pox
Strep throat with a red rash is called?
What age does scarlet fever mostly effect?
12 & under
What group is scarlet fever in?
Group A strep
Strep throat transmissions:
- Nose and throat secretions from carrier
- Pus from contaminated lesion
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