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The Public - Year 2 > Staphylococcus Aureus > Flashcards

Staphylococcus Aureus Flashcards

1
Q

What is staphylococcus aureus?

A

A gram positive, spherical and non-motile organism. It is ~1mcm in diameter and golden yellow

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2
Q

What does staph aureus colonise?

A
  • Skin
  • nasal passages
  • GIT
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3
Q

How is staph aureus transmitted?

A

Through the air, human contact or infected surfaces

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4
Q

What are the strains of staph A?

A

Meticillin sensitive SA (MSSA)

Meticillin resistant SA (MRSA)

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5
Q

Which patient groups are affected by hospital acquired MRSA?

A 
- >60 year olds 
Those admitted / after procedures 
Immunocompromised 
Invasive medical procedures 
Colonised asymptomatic patients
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6
Q

Which patient groups cause community acquired MRSA affect?

A

Young and healthy patients

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7
Q

Give examples of skin conditions caused by MRSA

A 
Mucosal membrane 
Pimples
Boils
Leg ulcers 
Pressure sores 
Cellulitis 
Wound infection 
Slapped cheek syndrome 
Necrotising fasciitis
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8
Q

Give examples of invasive conditions caused by MRSA

A 
Surgical wound 
UTIs
Septicaemia 
Pneumonia
Endocarditis 
Osteomyelitis 
Septic arthritis 
Meningitis
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9
Q

What are the signs and symptoms of conjunctivitis?

A

Grittiness
Discharge
Pink eye
Itching

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10
Q

What is used to treat conjunctivitis?

A

Chloramphenicol drops 2 hrly / QDS or ointment QDS

Fusidic acid gel BD

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11
Q

How is a primary impetigo infection caused?

A

Through an infecting cut / bite or graze

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12
Q

How is a secondary impetigo infection causes?

A

When there is an underlying skin condition

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13
Q

What are the signs and symptoms of a bullous impetigo infection?

A

Affects trunk, arms, legs with large blisters

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14
Q

What are the signs and symptoms of a non-bullous impetigo infection?

A

Itchy sores with yellow brown crusts

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15
Q

What are the complications of impetigo?

A 
Lymphagitis
Cellulitis 
Guttate psoriasis
Scarlet fever 
Septicaemia
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16
Q

What can be used to treat impetigo?

A

Fusidic acid cream TDS/QDS
Mupirocin ointment TDS
Oral flucloxacillin QDS
Oral erythromycin QDS

17
Q

What is the role of a pharmacist in dealing with impetigo?

A

They can give a differential diagnosis, refer patients to the GP or give treatment under a PGD

18
Q

How are device related infections introduced to the body?

A

Through surgical opening - likely to occur if you have had an invasive procedure

19
Q

What are the signs and symptoms of a device related infection?

A 
Redness 
Warmth
Inflammation 
Pain st site 
Exudate at site 
Fever
Malaise
Tachycardia
20
Q

What are complications of device related infections?

A

Endocarditis

Septicaemia

21
Q

What is the treatment for device related infections?

A 
Remove device or tissue 
IV antibiotics:
Flucloxacillin
Clarithryomycin
Vancomycin 
Rifamicin 
Clindamycin
Linezolid

The Public - Year 2 (9 decks)

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