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Flashcards in Staphylococcus Aureus Deck (21):
1

What is staphylococcus aureus?

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

2

What does staph aureus colonise?

- Skin
- nasal passages
- GIT

3

How is staph aureus transmitted?

Through the air, human contact or infected surfaces

4

What are the strains of staph A?

Meticillin sensitive SA (MSSA)
Meticillin resistant SA (MRSA)

5

Which patient groups are affected by hospital acquired MRSA?

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

6

Which patient groups cause community acquired MRSA affect?

Young and healthy patients

7

Give examples of skin conditions caused by MRSA

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

8

Give examples of invasive conditions caused by MRSA

Surgical wound
UTIs
Septicaemia
Pneumonia
Endocarditis
Osteomyelitis
Septic arthritis
Meningitis

9

What are the signs and symptoms of conjunctivitis?

Grittiness
Discharge
Pink eye
Itching

10

What is used to treat conjunctivitis?

Chloramphenicol drops 2 hrly / QDS or ointment QDS
Fusidic acid gel BD

11

How is a primary impetigo infection caused?

Through an infecting cut / bite or graze

12

How is a secondary impetigo infection causes?

When there is an underlying skin condition

13

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

Affects trunk, arms, legs with large blisters

14

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

Itchy sores with yellow brown crusts

15

What are the complications of impetigo?

Lymphagitis
Cellulitis
Guttate psoriasis
Scarlet fever
Septicaemia

16

What can be used to treat impetigo?

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

17

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

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

18

How are device related infections introduced to the body?

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

19

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

Redness
Warmth
Inflammation
Pain st site
Exudate at site
Fever
Malaise
Tachycardia

20

What are complications of device related infections?

Endocarditis
Septicaemia

21

What is the treatment for device related infections?

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