#1-5 on staphylococcus aureus STUDENT NAME: ORGANISM 17 coNTACT OR VECTOR BORNE
ID: 81050 • Letter: #
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#1-5 on staphylococcus aureus
STUDENT NAME: ORGANISM 17 coNTACT OR VECTOR BORNE INFECTIOUS DISEASE ORGANISMs 1. CAUSATIVE ORGANISM: Staphylococcus aureus (Use Gram stain slide of S. aureus Experiment #7) Category: (i.e. bacteria, fungi, protozoa, virus Gram RXS if bacteria: (if not bacteria, indicate Not Applicable) Unique/key characteristics e. capsule, cysts, endospores, AND key morphological information 2. DISEASE(S): (Use technically accurate name & if applicable common name) Specifics regarding transmission mechanism (i.e. vehicle, vector, any relevant info) Title of slide: 3. SIGNS & SYMPTOMS: (specify if differences between male & female symptoms; any key age groups affected) Magnification: 4. TREATMENT (specify drugs used: any key factors in successful treatment; any resistance issues; cure rate; age differences) (Include information) If no slide, specific source: 5. PREVENTION: (include if vaccine or not & who to be vaccinated; specific precautions to preventExplanation / Answer
Staphylococcus aureus is a type of bacteria. It stains Gram positive and is non-moving small round shaped or non-motile cocci. It is found in grape-like (staphylo-) clusters. This is why it is called Staphylococcus.They found in the nose, respiratory tract, and on the skin. It is often positive for catalase and nitrate reduction and is an anaerobe that can grow without the need for oxygen.S. aureus is not always pathogenic, it is a common cause of skin infections including abscesses, respiratory infections such as sinusitis, and food poisoning. Pathogenic strains often promote infections by producing virulence factors.
Disease caused by Staphylococcus Aureus;Skin infections,Urinary tract infections, Toxic shock syndrome, bacteremia, septicaemia,pneumonia , osteomyelitis (bone infection), endocarditis (heart infection), phlebitis (infection of veins and blood vessels), mastitis (infection of breast and formation of abscesses) and meningitis (brain infections).
Signs and symptoms
Pocket of infection that forms at the site of injury and filled with pus.
Area surrounding the abscess is usually red, painful and swollen and the skin surrounding the abscess can feel warm to the touch.
Symptoms include redness, swelling, and pain at the site of infection.
Symptoms of these infections include: difficulty breathing, malaise, fever, or chills.
Treatment
The diagnosis is based on the appearance of the skin or identification of the bacteria in a sample of the infected material.
Thoroughly washing the hands can help prevent spread of infection.
Antibiotics are chosen based on to be effective against the strain causing the infection.
Maintaining good hygiene and regular and frequent hand washing.
enicillinase-resistant penicillins (flucloxacillin, dicloxacillin) the antibiotics of choice for the management of serious methicillin-susceptible S. aureus infections, but cefazolin, cephalothin and cephalexin, clindamycin, lincomycin and erythromycin have important therapeutic roles in less serious MSSA infections such as skin and soft tissue infections or in patients with penicillin hypersensitivity.
Prevention
prevent the spread of these bacteria by always thoroughly washing their hands with soap and water or with antibacterial hand sanitizer gels.
People with a staphylococcal skin infection should not handle food.
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